For best results, use a cast-iron skillet to get a good sear on the steak. Adjust red pepper flakes to your spice preference. Leftover cowboy butter can be stored in the fridge for up to a week and used on other meats or vegetables. For the mashed potatoes, use whole milk or cream for extra richness.
Keyword steak, beef, cowboy butter, garlic mashed potatoes, skillet, main course, dinner, comfort food