My Go-To Beef and Potato Casserole Slow Cooker. You know those evenings when you open the fridge, stare at everything inside, and still have no clue what to cook? Yeah, this recipe is my answer to that problem. It’s a simple, old-fashioned beef and potato casserole that goes straight into the slow cooker — no fancy steps, no big mess, and only 5 basic ingredients. Just layer everything in, put the lid on, and walk away.
This meal has that warm, cozy feeling you’d get from a home-cooked dinner at grandma’s house. It’s filling, easy on the wallet, and kids actually enjoy eating it. On busy days, there’s nothing better than coming home to a hot meal that basically made itself.
Beef and Potato Casserole Slow Cooker
Servings: 6
Beef and Potato Casserole Slow Cooker
What You’ll Need
- Lean ground beef → 2 pounds
- Russet potatoes, sliced thin (about 2½ to 3 pounds) → 6 medium
- Yellow onion, sliced thin → 1 medium
- Use 2 cans (10.5 oz each) of thick cream of mushroom soup.
- Kosher salt → 1 teaspoon
- Black pepper → ½ teaspoon
- Garlic powder (really worth adding) → ½ teaspoon
- Nonstick cooking spray or a little butter for the pot
How to Make It?
- Grease your slow cooker. Coat the inside with cooking spray or spread a little butter on it. This helps stop the food from sticking and makes it easier to clean later.
- Add the ground beef first. Press the raw beef flat across the bottom of the pot so it covers the whole surface in one even layer. Add salt, pepper, and garlic powder over the top.
- Add the onion next. Spread the thin onion slices evenly over the seasoned beef.
- Get the soup ready. In a bowl, stir the cream of mushroom soup by itself — don’t add water or milk. You want it thick so it turns into a rich, creamy sauce while everything cooks.
- Layer the potatoes on top. Arrange the potato slices over the onions, overlapping them a little like roof shingles. Try to cover the whole surface so every bite gets potatoes.
- Spoon the soup over everything. Spread it across the top of the potatoes as evenly as you can. It doesn’t need to look perfect — it’ll spread out more on its own as it heats up.
- Cook low and slow. Put the lid on and cook on LOW for 6 to 8 hours, or HIGH for 3½ to 4 hours. The potatoes should feel very soft when you poke them with a fork, and the beef will be fully cooked through.
- Let it rest before serving. Take the lid off and let the casserole sit for about 5 to 10 minutes. This helps the sauce thicken up a little. Try it, then add a little more salt or pepper if you feel it needs more flavor.
- Dish it out and enjoy. Use a big spoon to scoop out servings, making sure each plate gets some of that creamy sauce from the bottom. Serve it hot, right from the slow cooker.
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