INGREDIENTS
1/4 cup
chopped fresh cilantro
1/4 cup
fresh orange juice
1/4 cup
extra-virgin olive oil
1/2 tsp
ground red pepper
6
garlic cloves, minced
3/4 tsp
kosher salt, divided
1 lb
skinless, boneless chicken breast halves
Cooking spray
1
medium red onion, peeled and cut into 1/2-inch rings
1
ripe avocado, peeled and sliced
1
lime, cut into wedges
Chopped fresh cilantro (optional)