Slow Cooker Lasagna

Slow Cooker Lasagna
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1 pound lean ground beef
1 small onion, chopped
1 medium garlic clove, minced
28 oz. canned crushed tomatoes (pureed in blender)
15 oz. canned tomato sauce
1 tsp salt
1 tsp oregano
1/2 tsp. basil
1/4 tsp crushed red pepper flakes
1 cup part skim ricotta cheese
1 1/2 cup part skim mozzarella cheese, shredded, divided
6 no cook lasagna noodles
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Heat a large nonstick skillet over medium high heat. Add beef, onion, and garlic, and cook, stirring frequently and breaking up meat with a wooden spoon as it cooks. Stir in crushed tomatoes, tomato sauce, salt, oregano, basil, and crushed red pepper; simmer 5 minutes to allow flavors to blend.
Meanwhile in a medium bowl, stir together ricotta cheese and 1 cup mozzarella cheese.
Spoon 1/3 of beef mixture into 5 quart slow cooker. Break 3 lasagna sheets in half and arrange over beef mixture; top with half of the ricotta mixture. Repeat with another layer and finish with remaining 1/3 of beef mixture.
Cover slow cooker and cook on low setting at least 6 hours.
Sprinkle remaining 1/2 cup mozzarella cheese over top of mixture. Cover and continue cooking until cheese melts and lasagna firms up, about 10 minutes.
Makes 6 generous servings.
8 WW Points