Prep Time: 15
Cook Time: 12
Serves: Serves: 4
Brush oil over both sides of mushroom caps. Sprinkle generously with salt and pepper.
Place chicken breasts on center of grill over medium coals. Brush 1/3 cup barbecue sauce over chicken. Place mushrooms around edges of grill. Wrap tomato slices in foil; place on edge of grill. Cover and grill for 5 minutes.
Turn chicken breasts over and brush with remaining 1/3 cup barbecue sauce. Turn mushroom caps and tomatoes; cover and grill for 5 minutes. Top each chicken breast with tomato, mushroom cap and cheese. Cover and grill 1 to 2 minutes or until cheese is melted and chicken is cooked through.