Heat oven to 350° F. Spray 24-cup mini muffin pan with nonstick spray and set aside.
Heat large, nonstick skillet over medium heat. Add ground beef and cook 5-7 minutes, or until cooked through. Drain and return to pan. Add taco seasoning and mix well.
Add tomato, peppers, onion and cilantro to food processor and chop until fine (or finely chop by hand). Add to ground beef and mix well.
Line muffin pans with wonton wrappers, placing one in each cup. Add taco mixture and top with cheese. Bake 12-15 minutes, or until wontons start to brown on edges.
Meanwhile, toss avocados with lime juice. Top each taco cup with avocado.