1. Heat oven to 350°F. 2. Line 8 muffin cups with tortillas. Carefully fold back edges of tortillas to leave openings in centers for the filling. 3. Bake 10 min. Meanwhile, brown meat in large skillet; drain. Return meat to skillet. 4. Add salsa to meat; mix well. Bring to boil; simmer on medium-low heat 10 min., stirring occasionally. Spoon into tortilla bowls. Top with remaining ingredients.