1 lb. sausage, casing removed
1 med. onion
1 lg. jar sauce
15 oz. ricotta cheese
1 lb. mozzarella cheese, grated (save 1/4 for top)
1 box frozen chopped spinach, drained
1 (8 oz.) pkg. mushrooms, chopped
1 egg
Dash oregano
Dash nutmeg
1/4 c. grated Parmesan
1 box lasagna noodles, cooked

In large skillet saute sausage and onion, breaking up sausage as browning. Add sauce, cook 15 minutes. In large bowl mix remaining ingredients except noodles.

Put 1/2 sauce in baking dish. Spread 1/3 cup cheese mixture on each lasagna noodle and roll up, place seam side down. Top with sauce and remaining cheese. Cover. Bake 45 minutes.