Step 5: Bake the Casserole
- Cover and Bake: Cover the baking dish with aluminum foil and bake in the preheated oven for 45 minutes.
- Remove Foil and Bake Again: After 45 minutes, remove the foil and sprinkle additional cheese on top if desired. Bake uncovered for another 15-20 minutes, or until the potatoes are tender and the top is golden and bubbly.
Step 6: Serve and Enjoy
- Let It Set: Allow the casserole to rest for about 5 minutes before serving. This helps the layers set and makes it easier to slice.
- Garnish and Serve: Serve warm, garnished with chopped parsley or green onions if desired.
Tips for the Best Hamburger Potato Casserole
- Thinly Slice the Potatoes: Using a mandoline slicer ensures the potatoes cook evenly and quickly. Thicker slices may need additional baking time.
- Use Lean Ground Beef: Lean ground beef prevents the casserole from becoming greasy. You can also substitute with ground turkey or chicken for a lighter version.
- Season Well: Potatoes absorb flavors, so don’t be shy with the seasonings in your beef mixture and soup sauce.
- Cheese Options: Cheddar is a classic choice, but try pepper jack for a spicy kick, or a mozzarella blend for extra creaminess.
