Donna'S Lasagne

Ingredients

• 1 large can tomato puree
• 2 cans tomato paste
• 2 c. water
• 1 tsp. oregano
• 1 tsp. sugar
• 1 tsp. salt
• 1/4 tsp. pepper
• 2 Tbsp. olive oil
• 1 c. minced onion
• 1 garlic clove, crushed
• 1 1/2 lb. Italian sausage
• 1 lb. lasagne noodles
• 1 lb. Mozzarella cheese
• 1 lb. Ricotta cheese
• 1/4 lb. Parmesan cheese