Coleman Outdoor Portable Oven/Stove Just because you’re out on a camping trip doesn’t mean you have to dine like a caveman or Cub Scout. There are plenty of alternatives to campfire-ash-crusted wieners and beans from the can. Coleman’s Outdoor Portable Oven is a propane powered two-burner stove that also has an oven large enough to cook a 12-inch pizza. Just the thing for keeping it gourmet in the great outdoors