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Easy Slow Cooker Sausage Lasagna

  • Prep Time: 20 minutes
  • Cook Time: 4 hours
  • Servings: 6
  • Course: Main Dish

A delicious, hearty dinner doesn’t have to be hard. Assemble your lasagna and let your slow cooker do the work. Using a slow cooker liner means clean up is a breeze, too!

Reynolds Kitchens® Tips

Reynolds Kitchens tip

If you're using a 3-8 quart round or oval slow cooker, use the regular size Reynolds Kitchens® Slow Cooker Liner and the recipe below as-is. If you're using a 1-3 quart round or oval slow cooker, use the small size Reynolds Kitchens® Slow Cooker Liner and use half of each ingredient.


For Regular Size Slow Cookers

  • 2 pounds uncooked ground Italian sausage
  • 2 small onions, chopped
  • 2 cans (14.5 oz. each) crushed or diced fire-roasted tomatoes
  • 2 cans (15 oz. each) tomato sauce
  • 2 teaspoons dried oregano
  • 1 teaspoon dried basil
  • 6 uncooked lasagna noodles, broken in half
  • 3 cups shredded mozzarella cheese, divided
  • 2 cups ricotta cheese
  • 1 cup grated Parmesan cheese
  • Reynolds Kitchens® Slow Cooker Liners

For Small Size Slow Cookers

  • Half each ingredient listed for regular size slow cookers


Step 1

LINE a 5 to 6 quart slow cooker with a Regular size Reynolds Kitchens® Slow Cooker Liner. Fit liner snugly against bottom and sides of bowl; pull top of liner over rim. Set aside.


Step 2

COOK sausage and onion for 8 to 10 minutes in a large skillet over medium-high heat, breaking up meat as it cooks. Drain well. Stir in tomatoes, tomato sauce, oregano, and basil into sausage. Spoon 1/3 of the sausage mixture into the lined-slow cooker; arrange half of the noodles on top. Combine 2 cups of the mozzarella and the ricotta cheeses in a medium bowl. Spoon half of the cheeses evenly over the noodles. Repeat to add another layer. Top with remaining 1/3 sausage mixture.

Step 3

COVER and Cook 4 to 5 hours on LOW. Turn off slow cooker.

Step 4

CAREFULLY remove lid to allow steam to escape. Mix the remaining cup of mozzarella and the Parmesan cheeses; sprinkle over the lasagna. Let stand 30 minutes until cheese melts and the lasagna sets up slightly. Serve lasagna directly from lined-slow cooker. Remove all food and cool slow cooker completely before removing liner from slow cooker. Do not lift or transport liner with food inside.


For fewer servings, use half of each ingredient and cook in a 2 ½ to 3-quart slow cooker lined with a Small size Reynolds Kitchens® Slow Cooker Liner.

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