– 1 pound ziti pasta – 1 Tablespoon olive oil – 1 pound package fresh sausage – 2 cloves garlic, minced or grated – 1 15 ounces tomato sauce – 1 15 ounces can diced tomatoes – 1 6 ounce can tomato paste – 3 Tablespoon Italian seasoning – 2 teaspoon salt – 1 teaspoon sugar – 1 cup frozen chopped spinach – 1 cup cottage cheese – 1 1/4 cup shredded mozzarella cheese