Mushroom Lasagna

Ingredients

• 4 large ripe tomatoes, chopped
• 2 large onions, chopped
• 1/2 c. celery, chopped
• 1 tsp. sugar
• 1 tsp. salt
• 1/2 tsp. oregano
• 1/2 tsp. paprika
• 1 (6 oz.) can tomato paste
• 1/4 tsp. dried basil
• 1 large bay leaf
• 1/4 tsp. pepper
• 1 lb. mushrooms, rinsed, trimmed and sliced
• 8 lasagna noodles
• 3 c. sauce (above)
• 1 egg
• 8 oz. Mozzarella cheese
• 1/2 c. Parmesan cheese
• 16 oz. cottage cheese