EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 33-84698, No. 333-38571, No. 333-49900 and No. 333-04789) of Quality Dining, Inc. of our report dated February 15, 2005, relating to the financial statements and financial statement schedule, which appears in this Form 10-K. /s/ PricewaterhouseCoopers, LLP - ------------------------------- PricewaterhouseCoopers, LLP Chicago, Illinois February 15, 2005 95