Preheat the oven to 350°F.

In a small saucepan, add crushed pineapple, ketchup, brown sugar, soy sauce, cornstarch, and salt. Stir and bring to a boil, then reduce heat and simmer for 2 minutes, stirring frequently. Remove from heat.

Place chicken breasts in a 9x13 inch casserole dish and pour the sauce over the chicken. Cover with foil.

Bake for 45 minutes or until internal temperature reaches 165°F.

Garnish with sliced green onions and serve over rice if desired.