Start by heating the olive oil in a large skillet over medium heat. Once hot, add the Italian sausage and cook it, breaking it into pieces until it’s browned and fully cooked, which should take around 10 to 12 minutes. The aroma will be fantastic!
Once the sausage is cooked, pour in the spaghetti sauce and water. Stir to combine, bringing the mixture to a gentle simmer. This step is crucial as it develops the flavors before layering.
While the sauce simmers, take a small bowl and blend together the ricotta cheese, chopped parsley, and a sprinkle of salt and pepper. This creamy mixture will add a beautiful layer of richness to your lasagna.
Now, it’s time to start layering in your slow cooker. Begin by spreading a layer of the meat sauce mixture on the bottom of the slow cooker insert. This prevents sticking and adds flavor to the noodles.
Next, break the lasagna noodles into pieces to fit the slow cooker. Lay about four pieces over the sauce, overlapping them slightly.
Spread 1/3 of the ricotta mixture over the noodles. Don’t stress about spreading it perfectly; it will spread more as the lasagna cooks.
Add 2 cups of the meat sauce directly on top of the ricotta layer. This will help blend the flavors as it cooks.
Sprinkle about 1 cup of mozzarella cheese on top, followed by 1/3 of the Parmesan cheese. This cheesy layer is what makes lasagna irresistible!
Repeat the layering process three more times, starting with the noodles as your base and finishing with a generous layer of mozzarella on top.
Cover the slow cooker and set it to cook on low for 4 hours. The longer it cooks, the more the flavors will meld together, creating a fantastic dish.
Once done, carefully place the slow cooker insert under the broiler in your oven for just a few minutes until the cheese is bubbly and starting to brown. Watch it closely!
Finally, let the lasagna rest for about 20 minutes before serving. This resting period helps it set up nicely, making it easier to cut and serve without falling apart.
