Apple, Fennel & Chicken Salad with Couscous

Ingredients 12 ounces boneless chicken breast (2-3 breasts) 3 tablespoons olive oil (divided) 1 cup whole wheat couscous 2 medium red apples 1 tablespoon lemon juice (divided) 1 fennel bulb 1 tablespoon balsamic vinegar 1 tablespoon sugar 1/4 teaspoon salt…