UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                             Washington, DC 20549


                                   FORM 8-K


                           CURRENT REPORT Pursuant
                        to Section 13 or 15(d) of the
                       Securities Exchange Act of 1934


     Date of report (Date of earliest event reported) September 10, 2004

                       INTERSTATE BAKERIES CORPORATION
--------------------------------------------------------------------------------
            (Exact Name of Registrant as Specified in Its Charter)


                                   Delaware
--------------------------------------------------------------------------------
                (State or Other Jurisdiction of Incorporation)


        1-11165                                          43-1470322
--------------------------------------------------------------------------------
(Commission File Number)                       (IRS Employer Identification No.)


   12 East Armour Boulevard
     Kansas City, Missouri                                   64111
--------------------------------------------------------------------------------
(Address of Principal Executive Offices)                   (Zip Code)


                                (815) 502-4000
--------------------------------------------------------------------------------
             (Registrant's Telephone Number, Including Area Code)


                                     N/A
--------------------------------------------------------------------------------
        (Former Name or Former Address, if Changed Since Last Report)

     Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of
the following provisions (see General Instruction A.2. below):

     |_| Written communications pursuant to Rule 425 under the Securities Act
(17 CFR 230.425)

     |_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12)

     |_| Pre-commencement communications pursuant to Rule 14d-2(b) under the
Exchange Act (17 CFR 240.14d-2(b))

     |_| Pre-commencement communications pursuant to Rule 13e-4(c) under the
Exchange Act (17 CFR 240.13e-4(c))


<PAGE>

ITEM 1.01         ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT.

         On September 10, 2004, Interstate Bakeries Corporation (the
"Company") entered into the Sixth Amendment, dated as of September 7, 2004,
to the Amended and Restated Credit Agreement (the "Sixth Amendment"), among
the Company, Interstate Brands Corporation (the "Borrower"), the several
banks and other financial institutions or entities from time to time parties
thereto (the "Lenders"), The Bank of Nova Scotia, BNP Paribas, Cooperatieve
Central Raiffeisen-Boerenleenbank B.A., "Rabobank International", New York
Branch, and SunTrust Bank, each as a co-documentation agent (the
"Co-Documentation Agents"), Bank of America, N.A., as syndication agent (the
"Syndication Agent") and JPMorgan Chase Bank, as administrative agent (in
such capacity, the "Administrative Agent"). A copy of the Sixth Amendment is
hereby incorporated by reference and attached hereto as Exhibit 10.1.

         The Company, as Guarantor, the Borrower, the Lenders, the
Co-Documentation Agents, the Syndication Agent and the Administrative Agent
are parties to the Amended and Restated Credit Agreement, dated as of April
25, 2002, as previously amended on April 1, 2003, May 7, 2004, May 27, 2004,
June 17, 2004 and August 12, 2004. There are no material relationships
between the Company and the non-affiliated parties to the Sixth Amendment
other than under the Credit Agreement.

         The terms of the Sixth Amendment provide that, prior to September
13, 2004, the aggregate amount of loans outstanding, including outstanding
letters of credit, may not exceed $235 million. In addition, from September
13, 2004 through and until the date that the Borrower delivers a weekly cash
flow forecast covering the period from September 6, 2004 through and
including September 30, 2004, the aggregate amount of loans outstanding,
including outstanding letters of credit, may not exceed $245 million. From
the later of September 20, 2004 or the date that the Borrower delivers to the
Administrative Agent preliminary financial statements for the fiscal quarter
ended August 22, 2004 that demonstrate its compliance with the financial
covenants under the Credit Agreement, the aggregate amount of loans
outstanding, including outstanding letters of credit, may not exceed $255
million. Under the terms of the Sixth Amendment, continued borrowings by the
Borrower from and after September 26, 2004 will require approval by members
of the bank group holding more than two-thirds of the aggregate loans and
commitments outstanding. In addition, the terms of the Sixth Amendment
permanently increase the interest rate payable on loans made to the Borrower
under the Credit Agreement by 0.50 percent, with interest to be paid monthly.
The terms of the Sixth Amendment also provide that the Borrower's failure to
deliver unqualified audited financial statements with 120 days after the
fiscal year ended May 29, 2004 will constitute an Event of Default (as such
term is defined in the Credit Agreement). Finally, under the terms of the
Sixth Amendment, the Lenders are entitled (to the extent permitted by
applicable law) to set-off any and all deposits, other credits, indebtedness
or claims that is owed by the Company or the Borrower to each such Lender
against any of the Borrower's obligations upon and during the occurrence of
an Event of Default (as such term is defined in the Credit Agreement).

ITEM 2.03         CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION
                  UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT.

         The information provided in Item 1.01 of this Current Report on Form
8-K is incorporated into this Item 2.03 by reference.

ITEM 9.01         FINANCIAL STATEMENTS AND EXHIBITS.

(c)      Exhibits

Exhibit No.       Description
-----------       -----------

10.1              Sixth Amendment, dated as of September 7, 2004, to the Amended
                  and Restated Credit Agreement, dated April 25, 2002, among
                  Interstate Bakeries Corporation, as a Guarantor, Interstate
                  Brands Corporation and Interstate Brands West Corporation,
                  each as a Borrower, the several Lenders from time to time
                  parties thereto, The Bank of Nova Scotia, BNP Paribas,
                  Cooperatieve Central Raiffeisen-Boerenleenbank B.A.,
                  "Rabobank International", New York Branch, and SunTrust
                  Bank, each as a co-documentation agent, Bank of America,
                  N.A., as syndication agent and JPMorgan Chase Bank, as
                  administrative agent.


<PAGE>

                                  SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

Date: September 10, 2004                        INTERSTATE BAKERIES
                                                CORPORATION


                                               By:  /s/ James R. Elsesser
                                                    --------------------------
                                                    James R. Elsesser
                                                    Chief Executive Officer



<PAGE>


                                EXHIBIT INDEX

Exhibit No.       Description
-----------       -----------

    10.1          Sixth Amendment, dated as of September 7, 2004, to the Amended
                  and Restated Credit Agreement, dated April 25, 2002, among
                  Interstate Bakeries Corporation, as a Guarantor, Interstate
                  Brands Corporation and Interstate Brands West Corporation,
                  each as a Borrower, the several Lenders from time to time
                  parties thereto, The Bank of Nova Scotia, BNP Paribas,
                  Cooperatieve Central Raiffeisen-Boerenleenbank B.A.,
                  "Rabobank International", New York Branch, and SunTrust
                  Bank, each as a co-documentation agent, Bank of America,
                  N.A., as syndication agent and JPMorgan Chase Bank, as
                  administrative agent.
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{"company-data": {"conformed-name": "INTERSTATE BAKERIES CORP/DE/", "cik": "0000829499", "assigned-sic": "2050", "irs-number": "431470322", "state-of-incorporation": "DE", "fiscal-year-end": "0531"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-11165", "film-number": "041026598"}, "business-address": {"street1": "12 E ARMOUR BLVD", "city": "KANSAS CITY", "state": "MO", "zip": "64111", "phone": "8165024000"}, "mail-address": {"street1": "12 E ARMOUR BLVD", "city": "KANSAS CITY", "state": "MO", "zip": "64111"}, "former-company": {"former-conformed-name": "IBC HOLDINGS CORP", "date-changed": "19910612"}}
UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                             Washington, DC 20549

                                   FORM 8-K

                           CURRENT REPORT Pursuant
                        to Section 13 or 15(d) of the
                       Securities Exchange Act of 1934

     Date of report (Date of earliest event reported) September 10, 2004

                       INTERSTATE BAKERIES CORPORATION
--------------------------------------------------------------------------------
            (Exact Name of Registrant as Specified in Its Charter)

                                   Delaware
--------------------------------------------------------------------------------
                (State or Other Jurisdiction of Incorporation)

        1-11165                                          43-1470322
--------------------------------------------------------------------------------
(Commission File Number)                       (IRS Employer Identification No.)

   12 East Armour Boulevard
     Kansas City, Missouri                                   64111
--------------------------------------------------------------------------------
(Address of Principal Executive Offices)                   (Zip Code)

                                (815) 502-4000
--------------------------------------------------------------------------------
             (Registrant's Telephone Number, Including Area Code)

                                     N/A
--------------------------------------------------------------------------------
        (Former Name or Former Address, if Changed Since Last Report)

     Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of
the following provisions (see General Instruction A.2. below):

     |_| Written communications pursuant to Rule 425 under the Securities Act
(17 CFR 230.425)

     |_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12)

     |_| Pre-commencement communications pursuant to Rule 14d-2(b) under the
Exchange Act (17 CFR 240.14d-2(b))

     |_| Pre-commencement communications pursuant to Rule 13e-4(c) under the
Exchange Act (17 CFR 240.13e-4(c))
ITEM 1.01         ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT.

         On September 10, 2004, Interstate Bakeries Corporation (the
"Company") entered into the Sixth Amendment, dated as of September 7, 2004,
to the Amended and Restated Credit Agreement (the "Sixth Amendment"), among
the Company, Interstate Brands Corporation (the "Borrower"), the several
banks and other financial institutions or entities from time to time parties
thereto (the "Lenders"), The Bank of Nova Scotia, BNP Paribas, Cooperatieve
Central Raiffeisen-Boerenleenbank B.A., "Rabobank International", New York
Branch, and SunTrust Bank, each as a co-documentation agent (the
"Co-Documentation Agents"), Bank of America, N.A., as syndication agent (the
"Syndication Agent") and JPMorgan Chase Bank, as administrative agent (in
such capacity, the "Administrative Agent"). A copy of the Sixth Amendment is
hereby incorporated by reference and attached hereto as Exhibit 10.1.

         The Company, as Guarantor, the Borrower, the Lenders, the
Co-Documentation Agents, the Syndication Agent and the Administrative Agent
are parties to the Amended and Restated Credit Agreement, dated as of April
25, 2002, as previously amended on April 1, 2003, May 7, 2004, May 27, 2004,
June 17, 2004 and August 12, 2004. There are no material relationships
between the Company and the non-affiliated parties to the Sixth Amendment
other than under the Credit Agreement.

         The terms of the Sixth Amendment provide that, prior to September
13, 2004, the aggregate amount of loans outstanding, including outstanding
letters of credit, may not exceed $235 million. In addition, from September
13, 2004 through and until the date that the Borrower delivers a weekly cash
flow forecast covering the period from September 6, 2004 through and
including September 30, 2004, the aggregate amount of loans outstanding,
including outstanding letters of credit, may not exceed $245 million. From
the later of September 20, 2004 or the date that the Borrower delivers to the
Administrative Agent preliminary financial statements for the fiscal quarter
ended August 22, 2004 that demonstrate its compliance with the financial
covenants under the Credit Agreement, the aggregate amount of loans
outstanding, including outstanding letters of credit, may not exceed $255
million. Under the terms of the Sixth Amendment, continued borrowings by the
Borrower from and after September 26, 2004 will require approval by members
of the bank group holding more than two-thirds of the aggregate loans and
commitments outstanding. In addition, the terms of the Sixth Amendment
permanently increase the interest rate payable on loans made to the Borrower
under the Credit Agreement by 0.50 percent, with interest to be paid monthly.
The terms of the Sixth Amendment also provide that the Borrower's failure to
deliver unqualified audited financial statements with 120 days after the
fiscal year ended May 29, 2004 will constitute an Event of Default (as such
term is defined in the Credit Agreement). Finally, under the terms of the
Sixth Amendment, the Lenders are entitled (to the extent permitted by
applicable law) to set-off any and all deposits, other credits, indebtedness
or claims that is owed by the Company or the Borrower to each such Lender
against any of the Borrower's obligations upon and during the occurrence of
an Event of Default (as such term is defined in the Credit Agreement).

ITEM 2.03         CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION
                  UNDER AN OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT.

         The information provided in Item 1.01 of this Current Report on Form
8-K is incorporated into this Item 2.03 by reference.

ITEM 9.01         FINANCIAL STATEMENTS AND EXHIBITS.

(c)      Exhibits

Exhibit No.       Description
-----------       -----------

10.1              Sixth Amendment, dated as of September 7, 2004, to the Amended
                  and Restated Credit Agreement, dated April 25, 2002, among
                  Interstate Bakeries Corporation, as a Guarantor, Interstate
                  Brands Corporation and Interstate Brands West Corporation,
                  each as a Borrower, the several Lenders from time to time
                  parties thereto, The Bank of Nova Scotia, BNP Paribas,
                  Cooperatieve Central Raiffeisen-Boerenleenbank B.A.,
                  "Rabobank International", New York Branch, and SunTrust
                  Bank, each as a co-documentation agent, Bank of America,
                  N.A., as syndication agent and JPMorgan Chase Bank, as
                  administrative agent.
SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

Date: September 10, 2004                        INTERSTATE BAKERIES
                                                CORPORATION

                                               By:  /s/ James R. Elsesser
                                                    --------------------------
                                                    James R. Elsesser
                                                    Chief Executive Officer
EXHIBIT INDEX

Exhibit No.       Description
-----------       -----------

    10.1          Sixth Amendment, dated as of September 7, 2004, to the Amended
                  and Restated Credit Agreement, dated April 25, 2002, among
                  Interstate Bakeries Corporation, as a Guarantor, Interstate
                  Brands Corporation and Interstate Brands West Corporation,
                  each as a Borrower, the several Lenders from time to time
                  parties thereto, The Bank of Nova Scotia, BNP Paribas,
                  Cooperatieve Central Raiffeisen-Boerenleenbank B.A.,
                  "Rabobank International", New York Branch, and SunTrust
                  Bank, each as a co-documentation agent, Bank of America,
                  N.A., as syndication agent and JPMorgan Chase Bank, as
                  administrative agent.