A breakfast casserole with a blend of spinach, eggs, sausage, cheese and tomato juice.   Tomato Egg Breakfast Casserole Ingredients 1/2 lb. sausage, chopped (I like Jimmy Deans) 1/2 C. chopped onion 3 oz. fresh baby spinach 6 large eggs 1/2 C. tomato jucie 2 T. all purpose flour 1/4 tsp. mustard powder 1/4 tsp.