Lasagna

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. ground pepper
• 2 Tbsp. olive oil
• 1 c. minced onion
• 1 1/2 lb. hamburger
• 1 tsp. salt
• 1 lb. lasagna noodles, cooked as directed on pkg., drained and rinsed
• 1 lb. Mozzarella, sliced thin
• 4 oz. grated Romano cheese
• 1 lb. Ricotta cheese