Manicotti Stuffed With Spinach And Ricotta Cheese

Ingredients

• 6-8 c. tomato sauce, cook for 1-1 1/2 hrs only
• 1 pkg. manicotti
• 1 pkg. frzn spinach
• 1 pt. Ricotta or possibly cottage cheese
• 1 c. Mozzarella cheese
• 1/4 c. Parmesan cheese
• 1 egg