Super Easy Skinny Veggie Crockpot Lasagna

(2) 24 ounce jars or cans of Italian tomato sauce (see notes)

thick lasagna noodles with wavy edges (mine were called bronze cut)

part-skim ricotta cheese OR cottage cheese

chopped vegetables of choice (I used kale)

shredded Mozzarella or Provolone cheese

Parmesan cheese for topping

fresh parsley for topping