Stir in green peppers, spinach, tomatoes, tomato sauce, beef broth, rice, Worcestershire sauce, salt, and pepper. Lock lid in place, select High Pressure and 4 minutes cook time. When timer beeps, do a natural release for 1. Turn off pressure cooker and pour casserole into an oven safe baking dish. Sprinkle the cheese on top of casserole and broil until the cheese is melted and starting to brown. Adapted from Brooklyn Farm Girl Stuffed Pepper Casserole recipe. Smoked Chicken.