Creamy, cheesy scalloped potatoes with ham come together in just 30 minutes thanks to your Instant Pot! Perfect for transforming holiday leftovers into an easy weeknight dinner.
Preheat your oven to 375°F. Grease a 9 x 13-inch casserole dish with cooking spray or butter and set aside.
Place potatoes and diced onion in the Instant Pot and pour chicken broth over top. Give it a stir and secure the lid. Cook on high pressure for 2 minutes. Once done, quickly release the pressure.
Use a slotted spoon to transfer the cooked potatoes and onions to your greased casserole dish.
Touch 'Cancel" to reset your Instant Pot, then switch it to 'Saute'. Add milk to the broth in the pot and whisk in the flour, salt, garlic powder, onion powder, paprika, and black pepper. Whisk constantly until thickened.
Whisk in sour cream and 1½ cups of cheddar cheese. Stir until the cheese melts. Add the diced ham and stir to combine.
Touch 'Cancel' to turn off your Instant Pot, and pour the mixture over the potatoes in the casserole dish. Stir to combine. Sprinkle the remaining cheese over top.
Bake in the oven at 375°F for 15 minutes, then broil for 3 minutes until golden and bubbly. Garnish with fresh parsley if desired, and serve immediately. Enjoy!
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Notes
Cut the potatoes into ½-inch cubes and no bigger.
After pressure cooking, use the quick-release method to prevent the potatoes from becoming too soft or mushy.
When making the sauce, whisk continuously to prevent lumps. Add a splash of milk if it gets too thick.