Can I use a different type of potato?
Russet potatoes work best because they're starchy and fluffy when baked. Yukon golds are a softer alternative but won't be quite as light.
How do I know when the steak is cooked through?
Cube the steak into roughly 1-inch pieces and sear until browned on the outside, about 2–3 minutes per side for medium. Internal temp should reach 160°F for medium doneness.
Can I make the stuffed potatoes ahead?
Yes. Bake, scoop, and stuff the potatoes up to 2 hours ahead, then reheat wrapped in foil at 350°F for 10–15 minutes before adding the steak and sauce.
How spicy is the cream sauce?
The 1 tsp red pepper flakes gives a moderate heat. Reduce to 1/2 tsp for mild, or increase to 1.5 tsp for extra spice.
What cut of steak works best?
Sirloin, ribeye, or NY strip all work. Choose a cut with some marbling so it stays tender when cubed and seared quickly.