Ingredients
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9 lasagna noodles (uncooked)
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2 cups ricotta cheese
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2 cups shredded mozzarella
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½ cup grated Parmesan
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1 large egg
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2 teaspoons Italian seasoning
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½ teaspoon garlic powder
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10 oz frozen spinach, thawed and drained
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4 cups marinara sauce
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Optional: chopped fresh basil or parsley for garnish
Instructions
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Prep the Cheese Filling
In a large bowl, mix ricotta cheese, egg, Parmesan, Italian seasoning, garlic powder, and drained spinach. Stir until well combined. -
Layer the Ingredients
Spray your slow cooker with non-stick spray. Spread ½ cup of marinara sauce at the bottom. -
First Layer
Place 3 lasagna noodles on top of the sauce (break them to fit as needed). Spread one-third of the ricotta-spinach mixture over noodles. Top with marinara and mozzarella. -
Repeat
Repeat the layering process two more times: noodles, ricotta mixture, marinara, mozzarella. -
Top It Off
Finish with a final layer of sauce and a generous sprinkle of mozzarella and Parmesan. -
Cook
Cover and cook on LOW for 4 to 5 hours, or until noodles are tender and cheese is bubbly. -
Rest and Serve
Let the lasagna sit with the lid off for 15–20 minutes to firm up before slicing. Garnish with fresh basil or parsley if desired.