Prep the Steak: Take the ribeye steaks out of the refrigerator and let them come to room temperature for about 30 minutes prior to cooking. Pat them dry with paper towels and season generously with salt and pepper on both sides.
Cook the Steaks: In a large skillet, heat 2 tablespoons of olive oil over medium-high heat. Once hot, add the steaks and sear for 4-5 minutes on each side (for medium-rare), depending on thickness. Remove the steaks from the skillet and let them rest on a plate, loosely covered with foil.
Sauté the Mushrooms: In the same skillet, lower the heat to medium. Add the sliced mushrooms and cook until they begin to brown, about 4-5 minutes. Stir occasionally to ensure even cooking.
Make the Garlic Butter: Add the minced garlic and thyme to the mushrooms in the skillet. Cook for an additional 1-2 minutes until fragrant, being careful not to burn the garlic.
Add the Butter: Reduce the heat to low, then add the butter to the pan. Allow it to melt and mix it with the mushrooms and garlic, creating a rich sauce. Stir until everything is well combined, and season with salt and pepper to taste.
Serve: Return the steaks to the skillet, spooning the garlic butter mushroom mixture on top of each steak. Allow the flavors to meld together for a minute.
Garnish and Plate: Plate each steak and generously top with the garlic butter mushrooms. Sprinkle chopped fresh parsley over each serving for color and freshness.
Notes
Let the steaks rest after cooking for better flavor.