Chicken Tacos

3 boneless, skinless chicken breasts)
2 cloves garlic, minced
3 tablespoons chopped green chiles
1 small onion, chopped (optional)
8 to 10 prepared taco shells
Shredded lettuce

Combine first four ingredients in a covered microwavable dish. Microwave on HIGH for about 6 minutes. Let stand about 5 minutes, then use two forks to shred chicken. Fill taco shells with cooked chicken mixture and lettuce.

Makes about 4 servings.