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slow cooker cowboy casserole with golden tater tots and green onions served on a white plate

Slow Cooker Cowboy Casserole (Easy One-Pot Dinner)

Ely Rechard
This slow cooker cowboy casserole is the cozy, dump-and-go dinner you need on a busy weeknight loaded with beef, beans, potatoes, and melty cheese.
Prep Time 15 minutes
Course dinner
Cuisine American
Servings 6 servings
Calories 410 kcal

Ingredients
  

  • 1 lb ground beef
  • 1 onion chopped
  • 2 cloves garlic minced
  • 1 10.75 oz can cream of mushroom soup
  • ½ cup milk
  • 1 15 oz can kidney beans, drained and rinsed
  • 1 14.5 oz can diced tomatoes with green chilies
  • 1 cup frozen corn
  • 1 tsp chili powder
  • ½ tsp salt
  • ¼ tsp black pepper
  • 4 cups sliced potatoes ~1.5 lbs
  • 1 cup shredded cheddar cheese

Instructions
 

  • 1. Brown ground beef with chopped onion and minced garlic until cooked through. Drain excess fat.
  • 2. Transfer beef mixture to slow cooker. Stir in cream of mushroom soup, milk, kidney beans, diced tomatoes with chilies, corn, chili powder, salt, and pepper.
  • 3. Add sliced potatoes and stir to coat everything well.
  • 4. Cover and cook on LOW for 6–7 hours or HIGH for 3–4 hours.
  • 5. In the last 20 minutes, sprinkle shredded cheese over top. Cover again until cheese is melted.
  • 6. Serve hot with salad, cornbread, or green veggies.

Notes

Slice potatoes thinly for even cooking.
Add jalapeños, chipotle, or hot sauce if you want a spicier kick.
Substitute ground turkey or sausage for the beef.
Great for meal prep—leftovers reheat well!
Keyword crockpot casserole, ground beef casserole, slow cooker cowboy casserole