Sorta Lasagne - cooking recipe

Ingredients

1 lb. ziti, cooked
1 1/2 c. spaghetti sauce
1 egg
2 c. Ricotta cheese
3/4 lb. Mozzarella, cubed
10 oz. spinach, cooked and drained

Preparation

Mix egg into Ricotta cheese.
Mix all ingredients together in 2 1/2-quart casserole dish.
Bake at 350\u00b0 for 30 minutes.
You may substitute cottage cheese for Ricotta.
I also add about 1 pound of ground beef, cooked and drained.