If you prefer the marshmallows on top of your sweet potato casserole to be lightly browned and toasted you can pop the ceramic slow cooker insert (not the cooking base) under the broiler in your oven for 2 to 3 minutes until the marshmallows are toasted to your liking. Additionally, you could also use a u003cstrongu003eu003ca href=u0022https://amzn.to/3kyuW7Hu0022 target=u0022_blanku0022 rel=u0022noreferrer noopener sponsored nofollowu0022u003esmall kitchen torchu003c/au003eu003c/strongu003e to toast the marshmallows.