Slow Cooker Lasagna | Command Cooking

Ingredients

• 1 tablespoon olive oil
• 2 pounds Italian sausage, casings removed
• 2 (24 ounce) jars tomato sauce
• 2 cups water
• 1 pound whole-milk ricotta cheese
• 2 tablespoons fresh flat-leaf parsley, chopped
• kosher salt, to taste
• freshly ground pepper, to taste
• 18 ruffle-edged lasagna noodles, not no-boil
• 1 1/2 pound mozzarella cheese, grated and divided
• 2 ounces Parmigiano-Reggiano cheese, finely grated and divided
• fresh basil, optional, thinly sliced, for garnish