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Savory Cast Iron Cowboy Steak Recipe with Easy Sautéed Butter Mushrooms

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A hearty and flavorful cowboy ribeye steak seared in a cast iron skillet and topped with buttery sautéed mushrooms, perfect for a quick and satisfying dinner.

Ingredients

Scale
  • 1 cowboy steak (bone-in ribeye), about 1.5 to 2 inches thick (around 24 oz / 680 g)
  • Salt and freshly ground black pepper, to taste
  • 3 tablespoons unsalted butter
  • 3 cloves garlic, smashed
  • 23 fresh thyme sprigs
  • 8 oz (225 g) baby bella mushrooms or cremini, sliced
  • 1 tablespoon olive oil
  • Optional: 2 tablespoons dry white wine or sherry

Instructions

  1. Bring the steak to room temperature (about 30 minutes). Pat dry with paper towels.
  2. Season generously with salt and freshly ground black pepper on both sides.
  3. Preheat a 10 to 12 inch cast iron skillet over medium-high heat for 5 minutes.
  4. Add 1 tablespoon olive oil to the skillet and swirl to coat.
  5. Place the steak in the skillet and sear undisturbed for 4-5 minutes until a rich brown crust forms.
  6. Flip the steak using tongs and add 3 tablespoons butter, smashed garlic, and thyme sprigs to the pan.
  7. Tilt the skillet and baste the steak with melted butter repeatedly for 3-4 minutes.
  8. Check doneness with an instant-read thermometer aiming for 130°F (54°C) for medium-rare; continue basting if needed.
  9. Remove the steak and rest on a warm plate loosely tented with foil for 10 minutes.
  10. Reduce skillet heat to medium and add sliced mushrooms with a pinch of salt; stir occasionally for 5 minutes.
  11. Add remaining butter and garlic to the mushrooms; if using, splash in white wine or sherry to deglaze the pan.
  12. Cook mushrooms until tender and golden, about 7-8 minutes; remove thyme stems if present.
  13. Serve steak sliced against the grain topped with buttery mushrooms.

Notes

Bring steak to room temperature before cooking for even doneness. Use a well-seasoned cast iron skillet for best crust. Rest steak for 10 minutes to lock in juices. Avoid overcrowding mushrooms to ensure proper browning. For dairy-free, substitute butter with plant-based margarine or olive oil.

Nutrition

Keywords: cowboy steak, cast iron skillet, ribeye, sautéed mushrooms, butter mushrooms, steak recipe, easy steak dinner, hearty meal