Lasagna

Ingredients

• 1 tablespoon vegetable oil
• 1 medium onion, chopped
• 1 garlic clove, minced
• 1 lb ground beef
• 2 (14 ounce) cans catelli tomato sauce
• 1 (10 ounce) can sliced mushrooms
• 1/2 cup water
• 1 teaspoon oregano
• 1 1/8 cups cottage cheese
• 1/4 cup grated parmesan cheese
• 1 (10 ounce) package frozen chopped spinach, thawed
• 1 egg, slightly beaten
• 2 teaspoons oil
• 1 teaspoon salt
• 1 (227 g) package mozzarella cheese, grated
• 3/4 package catelli lasagna noodle, uncooked