This Slow Cooker 4-Ingredient Hamburger Potato Casserole is comfort food at its finest—often called a “poor man’s lasagna.” With layers of seasoned ground beef, tender sliced potatoes, creamy soup, and melted cheese, it comes together into a rich, satisfying dish that feels like a warm hug on a plate. By layering the ingredients, every bite of potato absorbs that savory mushroom flavor instead of sitting in excess liquid.
Ingredients
| Ingredient | Amount |
|---|---|
| Ground beef | 1 1/2 lbs |
| Russet potatoes (peeled, thinly sliced) | 6 medium |
| Condensed cream of mushroom soup | 2 (10.5 oz) cans |
| Shredded cheddar or Colby Jack cheese | 2 cups (divided) |
Optional Pantry Items: Salt, pepper, 1/2 cup water
How To Make Slow Cooker 4-Ingredient Hamburger Potato Casserole
Step 1: Cook the beef
In a large skillet, cook the ground beef over medium heat for about 6–8 minutes, until fully browned. Drain off any excess grease.
Tip: Don’t skip this step—since the slow cooker holds in moisture, leftover grease can make the dish overly oily. Add a generous amount of black pepper while cooking for extra flavor.
Step 2: Slice the potatoes
Cut the peeled potatoes into thin, even rounds (about 1/8 to 1/4 inch thick).
Tip: Try to keep the slices uniform so they cook evenly. A mandoline slicer works great if you have one.
Step 3: Mix the sauce
In a bowl, whisk together the soup with 1/2 cup of water. The thinner consistency helps the sauce spread evenly through the layers.
Step 4: Layer the casserole
- Bottom layer: 1/3 of the sliced potatoes
- Next: 1/2 of the cooked beef, 1/3 of the soup mixture, and 1/2 cup of cheese
- Repeat: Another 1/3 of the potatoes, the remaining beef, 1/3 of the soup, and another 1/2 cup cheese
- Top layer: Final 1/3 of the potatoes, covered with the remaining soup mixture
Step 5: Cook low and slow
Cover and cook on LOW for 6–7 hours or HIGH for 3–4 hours, until the potatoes are fork-tender.
Step 6: Finish with cheese
About 20–30 minutes before serving, sprinkle the remaining 1 cup of cheese on top. Cover and cook until melted and bubbly. Let the casserole sit uncovered for about