01 -
Stir the Alfredo sauce, chicken broth, garlic, Italian seasoning, and black pepper together in a bowl until smooth.
02 -
In a second bowl, mix the ricotta, egg, 1/4 cup Parmesan, and parsley. Stir until the filling is creamy and evenly combined.
03 -
Coat a 6-quart slow cooker with nonstick spray or olive oil. Spread about 3/4 cup Alfredo sauce over the bottom.
04 -
Add a layer of broken lasagna noodles, then chicken, spinach, spoonfuls of ricotta filling, mozzarella, and Alfredo sauce. Repeat the layers 2 more times, keeping sauce over each noodle layer.
05 -
Top with the remaining noodles, sauce, mozzarella, and Parmesan. Press gently so the top noodles are coated in sauce.
06 -
Cover and cook on low for 3 1/2 to 4 hours, until the noodles are tender and the center is hot. Do not cook much longer or the noodles may turn mushy.
07 -
Turn off the slow cooker and let the lasagna rest uncovered for 15 minutes. Sprinkle with more parsley, then scoop into servings.