How to Make Sloppy Joe Casserole
Boil the Potatoes and Garlic (photo 1). Cook until fork-tender, then drain.
Brown the Ground Beef (photo 2). Cook the beef in a large oven-safe skillet; remove to a bowl and set aside.
Cook the Vegetables (photo 3). Sauté until softened, then stir in the garlic, chili powder, and tomato paste.
Make the Mashed Potato Topping (photo 4). Mash with buttermilk and salt.
Finish the Filling (photo 5). Add the ground beef back to the pan with the broth, ketchup, Worcestershire sauce, mustard, brown sugar, and vinegar. Simmer until thickened.
Assemble (photo 6). Top the casserole with mashed potatoes and sprinkle with cheddar cheese.
Bake. Bake sloppy joes casserole at 375 degrees F for 10 to 15 minutes, or until bubbly and cheese is melted; broil briefly if desired. Rest for 5 minutes to thicken, then serve the sloppy joe casserole with green onions and ENJOY!
