Slow-Cooker Lasagna Recipe | Betty Crocker

Ingredients

• 1 pound bulk Italian sausage
• 1 medium onion, chopped (1/2 cup)
• 3 cans (15 ounces each) Italian-style tomato sauce
• 2 teaspoons dried basil leaves
• 1/2 teaspoon salt
• 2 cups shredded mozzarella cheese (8 ounces)
• 1 container (15 ounces) part-skim ricotta cheese
• 1 cup grated Parmesan cheese
• 15 uncooked lasagna noodles