A hearty and flavorful recipe for Chicken Cacciatore-style submarine sandwiches. This dish features seasoned, boneless chicken breasts that are grilled or pan-fried until cooked through, then sliced. A rustic cacciatore sauce is made by sautéing portobello mushrooms, bell peppers, and onions with garlic and herbs, then deglazing the pan with red wine and simmering with crushed tomatoes. The sliced chicken is added to the sauce, and the entire mixture is piled high on toasted sub rolls, topped with provolone cheese, and melted under the broiler.
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