Beef and Chorizo Burgers with Roasted Chile Mayonnaise

Heat gas or charcoal grill. In small bowl, mix mayonnaise, garlic, lime juice and cilantro. Cover; refrigerate.

Remove stem, seeds and membranes from chile; cut chile lengthwise into quarters. Place skin side down on grill. Cover grill; cook over medium heat about 10 minutes or until skin is blackened and blistered. Immediately place chile in bowl. Cover tightly with plastic wrap; cool 5 minutes. Peel off blackened skin; rinse with water. Set aside.

In large bowl, mix beef, chorizo, salt and pepper. Shape mixture into 4 patties, 1/2 inch thick.

Place patties on grill over medium heat. Cover grill; cook 11 to 13 minutes, turning once, until meat thermometer inserted in center of patties reads 160°F. During last 2 minutes of cooking, top each patty with cheese and place buns, cut sides down, on grill. Cook until cheese is melted and buns are toasted. Remove burgers and buns from grill; cover to keep warm.

Finely chop roasted chile; stir into mayonnaise mixture. Spread 1 tablespoon mixture on cut sides of buns. Place burgers on bottom halves of buns; top with tomato. Cover with top halves of buns.