Exhibit 21.1  LIST OF SUBSIDIARIES OF TEXAS ROADHOUSE, INC. (as of December 28, 2010)  I.
SUBSIDIARIES WHOLLY-OWNED BY   TEXAS ROADHOUSE, INC.NAME OF ENTITY

FORM OF ENTITYArmadillo, Inc.

Colorado   corporationAspen   Creek, LLC

Kentucky   limited liability companyRoadhouse-Creek   of NJ, LLC

Kentucky   limited liability companyTexas   Roadhouse Development Corporation

Kentucky   corporationTexas   Roadhouse Holdings LLC

Kentucky   limited liability companyTexas   Roadhouse Management Corp.

Kentucky   corporationII.
SUBSIDIARIES WHOLLY-OWNED BY   TEXAS ROADHOUSE HOLDINGS LLCNAME OF ENTITY

FORM OF ENTITYRoadhouse   Enterprises, Inc.

Texas   corporationTexas   Roadhouse Delaware LLC

Kentucky   limited liability companyTexas   Roadhouse Louisville I LLC

Kentucky   limited liability companyTexas   Roadhouse of Boise, LLC

Kentucky   limited liability companyTexas   Roadhouse of Cedar Falls, LLC

Kentucky   limited liability companyTexas   Roadhouse of Cheyenne, LLC

Kentucky   limited liability companyTexas   Roadhouse of Decatur, LLC

Kentucky   limited liability companyTexas   Roadhouse of Dixie Highway, LLC

Kentucky   limited liability companyTexas   Roadhouse of East Peoria, LLC

Kentucky   limited liability companyTexas   Roadhouse of Elkhart, LLC

Kentucky   limited liability companyTexas   Roadhouse of Elyria, LLC

Kentucky   limited liability companyTexas   Roadhouse of Fort Wayne, LLC

Kentucky   limited liability companyTexas   Roadhouse of Grand Junction, LLC

Kentucky   limited liability companyTexas   Roadhouse of Kansas, LLC

Kansas   limited liability companyTexas   Roadhouse of Lancaster, LLC

Kentucky   limited liability companyTexas   Roadhouse of Lansing, LLC

Kentucky   limited liability companyTexas   Roadhouse of Lynchburg, LLC

Kentucky   limited liability companyTexas   Roadhouse of Reno, NV, LLC

Nevada   limited liability companyTexas   Roadhouse of Richmond, LLC

Kentucky   limited liability companyTexas   Roadhouse of Roseville, LLC

Kentucky   limited liability companyTexas   Roadhouse of Vermont, LLC

Vermont   limited liability companyIII.
PARTIALLY-OWNED SUBSIDIARIESNAME OF ENTITY

FORM OF ENTITYTexas   Roadhouse of Gilbert, AZ, LLC (1)

Kentucky   limited liability companyTexas   Roadhouse of Hendersonville, de Novo, LLC (1)

Kentucky   limited liability companyTexas   Roadhouse of Huber Heights, LLC (1)

Kentucky   limited liability companyTexas   Roadhouse of Jacksonville, NC, LLC (1)

Kentucky   limited liability companyTexas   Roadhouse of Lancaster OH, LLC (1)

Kentucky   limited liability companyTexas   Roadhouse of Parker, LLC (1)

Kentucky   limited liability companyTexas   Roadhouse of Stillwater, LLC (1)

Kentucky   limited liability companyTexas   Roadhouse of Warwick, LLC (1)

Kentucky   limited liability companyTexas   Roadhouse of Austin, Ltd. (1)

Kentucky   limited partnershipTexas   Roadhouse of Austin-North, Ltd. (1)

Kentucky   limited partnership


Texas   Roadhouse of Mansfield, Ltd. (1)

Kentucky   limited partnershipTRH   Beverages of Austin-South, LLC (2)

Texas   limited liability companyTRH   Beverages of Austin-North, LLC (3)

Texas   limited liability companyTRH   Beverages of Mansfield, LLC (4)

Texas   limited liability company  
 (1)Ownership interests held by Texas Roadhouse Holdings LLC (2)Ownership interests held by Texas Roadhouse of Austin, Ltd. (3)Ownership interests held by Texas Roadhouse of Austin-North, Ltd. (4)Ownership interests held by Texas Roadhouse of Mansfield, Ltd.