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Slow Cooker 4-Ingredient Depression Era Potato and Onion Bake

When times were tough during the Great Depression, home cooks learned how to create filling, satisfying meals from a handful of inexpensive pantry staples. The Slow Cooker 4-Ingredient Depression Era Potato and Onion Bake is inspired by those simple recipes. Made with just potatoes, onions, butter, and broth, this comforting dish transforms humble ingredients into a rich, flavorful side dish or budget-friendly main course.

The slow cooker does most of the work, allowing the potatoes to become tender while the onions soften and sweeten. The result is a hearty, rustic meal that proves delicious food doesn’t require a long ingredient list.

Why You’ll Love This Recipe

Requires only four simple ingredients
Budget-friendly and family-friendly
Easy preparation with minimal effort
Perfect for busy days
Comforting, old-fashioned flavor
Great as a side dish or light meal

Ingredients

Serves 6–8

2 pounds potatoes, thinly sliced
2 large onions, thinly sliced
4 tablespoons butter, cut into small pieces
1 cup vegetable or chicken broth

Equipment Needed

Slow cooker (4 to 6 quart)
Sharp knife or mandoline slicer
Cutting board
Measuring cup

Step 1: Prepare the Vegetables

Wash the potatoes thoroughly. You may peel them or leave the skins on for a more rustic texture. Slice the potatoes into thin, even rounds, approximately ⅛ inch thick.

Peel the onions and slice them into thin rings or half-moons. Uniform slices help everything cook evenly.

Step 2: Layer the Ingredients

Lightly grease the inside of the slow cooker if desired.

Begin with a layer of sliced potatoes on the bottom. Add a layer of onions over the potatoes. Scatter a few pieces of butter on top.

Repeat the layers until all the potatoes, onions, and butter have been used.

This layering method ensures every bite contains a mixture of tender potatoes and sweet onions.

Step 3: Add the Broth

Slowly pour the broth around the edges of the slow cooker rather than directly over the top layers. This helps maintain the structure of the layers while providing enough moisture for cooking.

The broth will create steam as the dish cooks, helping soften the potatoes and infuse them with flavor.