EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

Cosi, Inc.

Deerfield, IL

We hereby consent to the incorporation by reference in the Registration Statement on Form S­8 (No. 333-186850) of Cosi, Inc. of our report dated April 14, 2014, relating to the consolidated financial statements which appears in this Form 10-K.

/s/BDO USA, LLP

BDO USA, LLP

Chicago, Illinois

April 15, 2014