Ingredients for Italian Stuffed Bell Peppers 2 Tbsp. oil 1 onion, diced 6 garlic cloves, minced 1 Tbsp. Italian seasoning 1 tsp. dried parsley flakes 1 tsp. dried oregano 1 lb. 3 oz. Italian Sausage (Sweet or Mild), casing removed 1 (8 oz.) can tomato sauce 1 (14.5 oz.) can Diced Tomato with Basil, Garlic &