Slow Cooker Cowboy Casserole

Update : February 4, 2026

Why Make This Recipe

Slow Cooker Cowboy Casserole is a hearty and comforting dish perfect for busy days. It combines ground beef, beans, and vegetables, all cooked slowly to bring out rich flavors. This dish is also easy to prepare and requires minimal hands-on time. It makes for a filling meal that the whole family will love.

How to Make Slow Cooker Cowboy Casserole

Ingredients

1 lb ground beef
1 medium onion, chopped
3 cloves garlic, minced
1 can (10.75 oz) condensed cream of mushroom soup
1/2 cup milk
1 can (15 oz) kidney beans, drained and rinsed
1 can (14.5 oz) diced tomatoes with green chilies
1 cup frozen corn
1 tsp chili powder
1/2 tsp salt
1/4 tsp black pepper
4 cups sliced potatoes (about 1.5 lbs)
1 cup shredded cheese (cheddar or your preference)

Directions

Gather all ingredients.
Chop vegetables uniformly for even cooking.
Rinse and drain canned beans to reduce salt.
Brown ground beef in a skillet over medium heat, then drain excess fat.
Layer in the slow cooker: place sliced potatoes first, followed by the browned beef, chopped vegetables, and beans.
In a bowl, mix the cream of mushroom soup, milk, chili powder, salt, and black pepper; pour this mixture over the layers in the slow cooker.
Cook on low for 6-8 hours.
About 30 minutes before serving, sprinkle cheese on top and cover until melted.

How to Serve Slow Cooker Cowboy Casserole

Serve this delicious casserole hot. You can dish it up on plates and enjoy it as is, or pair it with a side salad for a fresh touch. This meal is also great on its own, packed with protein and vegetables.

How to Store Slow Cooker Cowboy Casserole

To store leftover casserole, let it cool completely. Transfer it to an airtight container and keep it in the refrigerator. It can last for up to 3-4 days. If you want to store it longer, freeze individual portions in freezer-safe bags for up to 3 months.

Tips to Make Slow Cooker Cowboy Casserole

For added flavor, use seasoned ground beef or add more spices like cumin or paprika.
You can swap kidney beans for black beans or pinto beans based on preference.
Ensure even cooking by slicing potatoes evenly and arranging everything well in the slow cooker.

Variation

Feel free to add other vegetables like bell peppers or carrots. If you’re in the mood for a different flavor, you can use cream of chicken soup instead of cream of mushroom soup.

FAQs

Can I use fresh potatoes instead of frozen?
Yes, fresh potatoes work well. Just ensure they are sliced thinly to cook evenly.

Can I make this recipe vegetarian?
Absolutely! Substitute the ground beef with more beans or lentils and use vegetable broth.

How can I add more heat to this dish?
You can add extra diced green chilies or a dash of hot sauce to the mix if you like your casserole spicy.