My great-aunt made this every Sunday during the depression and the tradition lives on in our family. So simple but the flavors are unreal!

or a vinegar-based slaw—to cut through the buttery potatoes. Leftovers reheat well next to scrambled eggs or an omelet for a hearty breakfast-for-dinner situation.

Slow Cooker 4-Ingredient Depression Era Potato and Onion Bake

Servings: 6 

Ingredients
3 tablespoons unsalted butter, plus extra for greasing
2 1/2 pounds russet or Yukon Gold potatoes, peeled and thinly sliced (about 1/8 inch)
2 large yellow onions, thinly sliced
3 tablespoons all-purpose flour
1 teaspoon kosher salt (or to taste)
1/2 teaspoon black pepper (optional, traditional but not required)
Directions