HEAT oven to 350°F. Microwave tortillas on HIGH 30 sec. Press 1 tortilla into each of eight 2-1/2-inch muffin cups. Carefully fold back edges of tortillas, leaving opening in center of each for filling. Bake 10 min.

MEANWHILE, brown meat in large skillet; drain. Stir in salsa; bring to boil. Reduce heat to medium-low; simmer 10 min. Spoon into tortilla bowls; top with remaining ingredients.