You sure can. To do so, prepare the recipe the same way except topping them with cheese. Instead of placing them in a baking dish, you’ll put them in your crockpot that you’ve sprayed with cooking spray or lined with a crockpot liner.u003cbr/u003eu003cbr/u003eCook on low for about 5 hours or on high for 3 hours or until the peppers are tender. Top them with cheese about 30 minutes before they are done.