Cajun Rice Bake

Name: Cajun Rice Bake
Ingredients: 1 tbsp. olive oil; 1 medium onion, chopped; 1/2 Green Bell Pepper, chopped; 1/2 red bell pepper, chopped; 2 andouille sausage, cut into 1” pieces; 2 cloves garlic, minced; 2 large chicken breasts, cut into 1” pieces; kosher salt; Freshly ground black pepper; 1 can (15 oz) tomato sauce; 2 c. chicken stock; 1 c. Cheddar cheese; 1 tsp. Cajun seasoning; 1 1/4 c. long-grain white rice; 3 green onions, sliced