Teresa’s Mexican Restaurant is planning to build its sixth Twin Cities location in Eagan.

The site, south of Diffley Road and east of Lexington Avenue, is the last remaining undeveloped piece of land in the Diffley Marketplace commercial area, which is anchored by a Cub Foods and Walgreens.

The city council this week approved an amendment to plans for the 5,580-square-foot, full-service restaurant with a patio. The amendment allows for 180 inside seats, instead of 123 seats originally approved by the council for the site in 2013.

Felipe Mata opened the first Teresa’s in Lakeville in 2004. Other locations are in Mendota Heights, Prior Lake, Golden Valley and Maple Grove.

Nick Ferraro can be reached at 651-228-2173. Follow him at twitter.com/NFerraroPiPress.