3/4 cup chopped onion
2 cloves garlic, finely chopped
2 tablespoons oil
2 (26 ounce) jars prepared pasta sauce
1 (16 ounce) container ricotta cheese or cottage cheese
1 (10 ounce) package frozen chopped spinach, thawed and well-drained
1 pound shredded Mozzarella cheese, divided
1/2 cup grated Parmesan cheese
1 (16 ounce) package lasagna noodles, cooked
Preheat oven to 350 degrees. In large pan, cook onion and garlic in oil. Add prepared pasta sauce. Simmer for 15 minutes. In bowl, mix ricotta cheese, spinach, 1 cup Mozzarella cheese, Parmesan cheese and eggs. In a 15 by 9 inch baking dish, layer 2 cups sauce, one-half of noodles, one-half of remaining sauce, spinach mixture, one-half of remaining Mozzarella cheese, remaining noodles and remaining sauce. Cover; bake for 45 minutes, or until hot. Uncover; top with remaining Mozzarella cheese. Bake for 15 minutes more. Let stand for 15 minutes before serving.
Makes 6 to 8 servings.