1/2 cup shredded or grated Parmesan Cheese
1 1/2 lbs shredded mozzarella, or however much you have in the bottom of your cheese drawer
16 lasagna noodles, NOT no-boil
salt and ground pepper to taste
2 tbsp. chopped parsley
1 15- ounce container whole-milk ricotta cheese
2 cups water
2 24-ounce jars spaghetti sauce
2 lbs Italian Sausage, casings removed
1/2 tbsp. olive oil