3 cloves garlic, minced
3 Tbls grainy mustard
1 lime, juiced
1/2 lemon, juiced
1/2 cup brown sugar
6 Tbls olive oil
6 boneless chicken breasts
Combine marinade ingredients in a blender or small food processor and pulse until everything is emulsified and smooth. Marinate chicken in maxture for at least two hours and up to 24 hours. Place chicken on a hot grill which has been brushed with oil. Grill for 5 minutes per side basting often.