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Tender Garlic Butter Steak Recipe with Creamy Mashed Potatoes

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A simple, fast, and tender ribeye steak cooked in garlic butter, paired with creamy mashed potatoes for a comforting and easy dinner.

Ingredients

Scale
  • 2 ribeye steaks (about 10 oz or 280 g each), well-marbled
  • 4 tablespoons (60 g) unsalted butter, softened
  • 4 garlic cloves, minced
  • 2 sprigs fresh thyme (optional)
  • Salt and freshly ground black pepper, to taste
  • 1 tablespoon (15 ml) olive oil
  • 4 medium russet potatoes (about 2 lbs or 900 g)
  • 1 cup (240 ml) whole milk, warmed
  • 3 tablespoons (45 g) unsalted butter, softened
  • Salt, for seasoning cooking water and mashed potatoes
  • Freshly ground black pepper, to taste

Instructions

  1. Peel the potatoes and cut into 1.5-inch chunks. Place in a large pot, cover with cold water, add a pinch of salt, and bring to a boil. Cook until tender, about 15-20 minutes.
  2. Pat ribeye steaks dry with paper towels. Season both sides liberally with salt and freshly ground black pepper. Let rest at room temperature for 10-15 minutes.
  3. In a small bowl, mix softened butter with minced garlic and finely chopped thyme leaves if using. Set aside.
  4. Heat olive oil in a heavy skillet or cast iron pan over medium-high heat until shimmering. Place steaks in pan without crowding and sear for 3-4 minutes per side for medium-rare (internal temp ~130°F/54°C). Adjust time for preferred doneness.
  5. In the last minute of cooking, reduce heat to medium-low, add garlic butter mixture to pan, tilt pan slightly, and baste steaks continuously with melted garlic butter using a spoon.
  6. Remove steaks from pan, place on a plate, pour remaining garlic butter over steaks, and let rest for 5-7 minutes.
  7. Drain cooked potatoes and return to pot. Add warmed milk and softened butter. Mash with a potato masher or hand mixer until smooth and creamy. Season with salt and pepper to taste.
  8. Plate mashed potatoes, top with garlic butter steak, and drizzle any leftover garlic butter sauce on top.

Notes

If butter browns too quickly while basting, lower the heat to avoid burnt taste. Never skip resting the steak to keep it juicy and tender. For dairy-free options, substitute butter with vegan butter and milk with almond or oat milk. Cauliflower mash can replace potatoes for a low-carb alternative.

Nutrition

Keywords: garlic butter steak, ribeye steak, creamy mashed potatoes, easy dinner, quick steak recipe, comfort food