01 -
Spread 1 1/2 cups marinara sauce in the bottom of the slow cooker.
02 -
Add a layer of no-boil lasagna noodles, breaking them apart to fit as needed.
03 -
In a medium bowl, combine ricotta cheese, parmesan cheese, egg, 1 cup mozzarella cheese, Italian seasoning, basil, salt, and pepper. Stir until well mixed.
04 -
Spoon 1/3 of the cheese mixture over the noodles and spread evenly. Add another layer of noodles and sauce. Repeat layers two more times.
05 -
Top with the remaining mozzarella cheese.
06 -
Cover the slow cooker and cook on high for 3-4 hours or on low for 6-8 hours.
07 -
Slice the lasagna, serve, and enjoy.