AMENDMENT NUMBER SIX TO CREDIT AGREEMENT

EXHIBIT 10.1

AMENDMENT NUMBER SIX TO CREDIT AGREEMENT

This AMENDMENT NUMBER SIX TO CREDIT AGREEMENT (this “Amendment”) is entered into as of August 11, 2006, by the lenders identified on the signature pages hereof (the “Lenders”), WELLS FARGO FOOTHILL, INC., a California corporation, as the arranger and administrative agent for the Lenders (in such capacity, together with its successors and assigns, if any, in such capacity, “Agent”; and together with the Lenders, the “Lender Group”), BUCA, INC., a Minnesota corporation (“Parent”), and each of Parent’s Subsidiaries identified on the signature pages hereof (such Subsidiaries, together with Parent, are referred to hereinafter each individually as a “Borrower”, and individually and collectively, jointly and severally, as the “Borrowers”), with reference to the following:

WHEREAS, Borrowers and the Lender Group are parties to that certain Credit Agreement, dated as of November 15, 2004, (as amended, , restated, supplemented, or otherwise modified from time to time, the “Credit Agreement”);

WHEREAS, Borrowers have informed that the Lender Group that an unintentional Overadvance (the “Unintentional Overadvance”) occurred on July 26, 2006;

WHEREAS, Borrowers have requested that the Lender Group agree to certain amendments and grant certain waivers to the Credit Agreement, as set forth herein; and

WHEREAS, subject to the terms and conditions set forth herein, the Lender Group is willing to make the amendments and grant the waivers requested by Borrowers, as set forth herein.

NOW, THEREFORE, in consideration of the foregoing and the mutual covenants herein contained, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows:

(i) Agent hereby is authorized by Borrowers and the Lenders, from time to time in Agent’s sole discretion, (A) after the occurrence and during the continuance of a Default or an Event of Default, or (B) at any time that any of the other applicable conditions precedent set forth in Section 3 are not satisfied or waived, to make Advances to Borrowers on behalf of the Lenders that Agent, in its Permitted Discretion deems necessary or desirable (1) to preserve or protect the Collateral, or any portion thereof, (2) to enhance the likelihood of repayment of the Obligations (other than the Bank Product Obligations), or (3) to pay any other amount chargeable to Borrowers pursuant to the

terms of this Agreement, including Lender Group Expenses and the costs, fees, and expenses described in Section 9 (any of the Advances described in this Section 2.3(d)(i) shall be referred to as “Protective Advances”).

(ii) Any contrary provision of this Agreement notwithstanding, the Lenders hereby authorize Agent or Swing Lender, as applicable, and either Agent or Swing Lender, as applicable, may, but is not obligated to, knowingly and intentionally, continue to make Advances (including Swing Loans) to Borrowers notwithstanding that an Overadvance exists or thereby would be created. Each Lender with a Revolver Commitment shall be obligated to settle with Agent as provided in Section 2.3(e) for the amount of such Lender’s Pro Rata Share of any unintentional Overadvances by Agent reported to such Lender, any intentional Overadvances made as permitted under this Section 2.3(d)(ii), and any Overadvances resulting from the charging to the Loan Account of interest, fees, or Lender Group Expenses.

Section 6.12 Investments. Except for Permitted Investments, directly or indirectly, make or acquire any Investment, or incur any liabilities (including contingent obligations) for or in connection with any Investment other than contributions by Parent to Una Famiglia Foundation in an amount not to exceed $100,000 in the aggregate for any fiscal year; provided, however, that Borrowers and their Subsidiaries shall not have (a) Permitted Investments in the form of cash not in Deposit Accounts or Securities Accounts, in excess of an amount, at any one time, equal to (i) with respect to (A) any Saturday, Sunday or Monday during the month of December or the first week of January, or (B) the day after Mother’s Day, (y) $50,000 times (z) the number of operating Restaurants of Borrowers and their Subsidiaries, (ii) with respect to any Saturday, Sunday or Monday not falling within the foregoing clause (a)(i), (A) $35,000 times (B) the number of operating Restaurants of Borrowers and their Subsidiaries, and (iii) with respect to any day not falling within the foregoing clause (a)(i) or clause (a)(ii), (A) $15,000 times (B) the number of operating Restaurants of Borrowers and the Subsidiaries, or (b) Permitted Investments (other than in the Cash Management Accounts or in Deposit Accounts or Securities Accounts constituting Excluded Assets) in Deposit Accounts or Securities Accounts in an aggregate amount in excess of $250,000 at any one time unless the applicable Borrower or its Subsidiary, and the applicable securities intermediary or bank have (subject to Section 3.3(a)) entered into Control Agreements governing such Permitted Investments in order to perfect (and further establish) the Agent’s Liens in such Permitted Investments. Subject to the foregoing provisos and Section 3.3(a), Borrowers shall not and shall not permit their Subsidiaries to establish or maintain any Deposit Account or Securities Account unless Agent shall have received a Control Agreement in respect of such Deposit Account or Securities Account.

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“Affiliate” means, as applied to any Person, any other Person who controls, is controlled by, or is under common control with, such Person. For purposes of this definition, “control” means the possession, directly or indirectly through one or more intermediaries, of the power to direct the management and policies of a Person, whether through the ownership of Stock, by contract, or otherwise; provided, however, that, for purposes of Section 6.13 hereof: (a) any Person which owns directly or indirectly 10% or more of the Stock having ordinary voting power for the election of directors or other members of the governing body of a Person or 10% or more of the partnership or other ownership interests of a Person (other than as a limited partner of such Person) shall be deemed an Affiliate of such Person, (b) each director (or comparable manager) of a Person shall be deemed to be an Affiliate of such Person, and (c) each partnership or joint venture in which a Person is a partner or joint venturer shall be deemed an Affiliate of such Person; provided, further, Una Famiglia Foundation shall not be an Affiliate of Parent or its Subsidiaries and Parent and its Subsidiaries shall not be Affiliates of Una Famiglia Foundation.

“EBITDA” means, with respect to any fiscal period, in each case as determined in accordance with GAAP, Parent’s and its Subsidiaries’ consolidated net earnings (or loss), minus extraordinary gains and interest income for such period, plus:

(a) interest expense, income taxes, depreciation and amortization, and Restaurant Pre-Opening Expenses for such period;

(b) for the fourth fiscal quarter of fiscal year 2004 only: (i) lease termination charges in an aggregate amount not to exceed $759,000 related to the Charlotte, NC and Jenkintown, PA Restaurants, (ii) non-cash early termination of debt charges in an aggregate amount not to exceed $1,724,000 incurred in connection with transactions contemplated by the Agreement, (iii) charges related to acceleration of a consulting fee owed to the previous owner of the Vinny T’s of Boston Restaurants in an aggregate amount not to exceed $300,000, (iv) transition expenses associated with the hiring of executive officers in an aggregate amount not to exceed $300,000, (v) costs and expenses (including legal fees and disbursements) incurred in connection with the settlement of a sexual harassment claim in an aggregate amount not to exceed $182,000, and (vi) costs and expenses (including legal fees and disbursements) incurred in connection with the Class Action Lawsuit in an aggregate amount not to exceed $1,800,000;

(c) for the month of December in fiscal year 2004 only: (i) non-cash asset impairment charges in an aggregate amount not to exceed $22,200,000 (consisting of

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(A) $11,800,000 related to Vinny T’s of Boston Restaurants, (B) $135,000 related to obsolete CD and warehouse inventory, (C) $9,724,000 related to other Restaurants (Tampa, Kansas City-Plaza, Dallas-Park Lane, Wynnewood, Denver, Natick, Chicago-Clark Street, Des Moines and Houston-Buffalo Speedway), and (D) $541,000 related to new Restaurant sites (Lakewood, Southhills, Fresno, Rancho Mirage, Atlantic Station, Charlotte, Deerfield and Springfield)), (ii) compensation expenses associated with stock options issued to consultants in 2004 in an aggregate amount not to exceed $4,100, and (iii) non-cash deferred rent expense in an aggregate amount not to exceed $45,000;

(d) for fiscal year 2005 only: (i) non-cash asset impairment charges related to the Long Beach, CA Restaurant in an aggregate amount not to exceed $400,000, (ii) non-cash expenses that might be incurred in the event that the First Amendment or the Second Amendment triggers extinguishment accounting for the Borrowers in accordance with the proper application of GAAP, (iii) charges for amendment or waiver fees paid to any member of the Lender Group in connection with the First Amendment and for the payment or reimbursement of any costs or expenses incurred by any member of the Lender Group or the Borrowers in connection with the First Amendment (the “First Amendment Fees and Expenses”), (v) the prepayment premium associated with the prepayment of Term Loan B, and (iv) additional costs of D&O insurance above the original budgeted amount of $450,000 per year, in an amount not to exceed $62,500 per month (the “D&O Costs”);

(e) for the months of April 2005 through and including February 2006 only, fees, in an amount not to exceed an average of $130,000 per month during such period, paid to the holders of the common Stock of the Parent purchased under that certain Securities Purchase Agreement dated as of February 24, 2004 among the Parent and the investors named therein for each month that such holders are not permitted to sell that Stock pursuant to an effective registration statement (the “Common Stock Penalty”);

(f) for fiscal year 2005 through and including fiscal year 2006 only, legal fees and disbursements incurred in connection with any of the Investigations, charges relating to the reimbursement of witnesses in any of the Investigations, and fees and disbursements of forensic accountants retained by the Borrowers in connection with any of the Investigations, in an aggregate amount not to exceed $3,000,000 (the “Investigations Expenses”);

(g) for any fiscal year after fiscal year 2004 through and including fiscal year 2006, charges not to exceed $1,000,000 (inclusive of legal fees and disbursements) in the aggregate for amounts, if any, in excess of the remaining reserve therefor paid during such period under the settlement of the Class Action Lawsuit;

(h) any non-cash asset impairments related to FASB 144 impairment analysis of assets (to the extent having been deducted in the calculation of net earnings (loss) for such period); provided that any reversal (or reimbursement) of charges set forth in the foregoing clauses (b) through (h) shall not be included in (and, as applicable, subtracted from) EBITDA;

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(i) for the third fiscal quarter of fiscal year 2005 only, non-recurring expenses and non-cash asset impairment charges in amount not to exceed $2,900,000 related to the sale and leaseback of the CRIC Sale and Leaseback Properties;

(j) for the fourth fiscal quarter of fiscal year 2005 and each fiscal year thereafter, any charges related to FIN 47 in amount not to exceed $359,857 for the fourth fiscal quarter of fiscal year 2005 and $210,000 for each fiscal year thereafter;

(k) for the fourth fiscal quarter of fiscal year 2005 only, non-recurring store closure expenses and lease termination charges in an aggregate amount not to exceed $699,000 related to the Omaha, West Des Moines and Cheektowaga Restaurants;

(l) for the fourth fiscal quarter of fiscal year 2005 only, charges for increases in worker’s compensation and general liability accruals in an aggregate amount not to exceed $179,000;

(m) for the fourth fiscal quarter of fiscal year 2005 only, charges for increases in gift card liability in an aggregate amount not to exceed $223,000; and

(n) for fiscal year 2006 and each fiscal year thereafter, any charges related to FASB 123.

“Subsidiary” of a Person means a corporation, partnership, limited liability company, or other entity in which that Person directly or indirectly owns or controls the shares of Stock having ordinary voting power to elect a majority of the board of directors (or appoint other comparable managers) of such corporation, partnership, limited liability company, or other entity; provided, however, for the avoidance of doubt, Una Famiglia Foundation shall not be a Subsidiary of Parent or its Subsidiaries.

“Una Famiglia Foundation” means Una Famiglia Foundation, a Minnesota not-for-profit corporation organized and operating under 501(c)(3) of the Internal Revenue Code.

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“A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS WHICH A CREDITOR DOES NOT KNOW OR SUSPECT TO EXIST IN HIS FAVOR AT THE TIME OF EXECUTING THE RELEASE, WHICH IF KNOWN BY HIM, MUST HAVE MATERIALLY AFFECTED HIS SETTLEMENT WITH THE DEBTOR.”

As to each and every claim released hereunder, each Borrower also waives the benefit of each other similar provision of applicable federal or state law (including without limitation the laws of the state of New York), if any, pertaining to general releases after having been advised by its legal counsel with respect thereto.

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occurrences other than those on which the same are based, shall not excuse future non-compliance with the Loan Documents, and shall not operate as a consent to any further or other matter under the Loan Documents.

[signature page follows]

IN WITNESS WHEREOF, the parties have entered into this Amendment as of the date first above written.

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