Step 1

Whisk together olive oil, lemon juice, minced garlic, salt, and pepper. Add the diced onion.

Step 2

Put chicken in a gallon sized bag with marinade. Allow to marinate overnight.

Step 3

Place chicken on preheated grill and sprinkle with additional pepper. Cook for about 20 minutes on the grill or until no longer pink in center. **You can also grill additional lemon slices for garnish.**