Tender steak bites simmered in a creamy garlic sauce, served over fluffy Parmesan mashed potatoes. A rich, satisfying meal that’s perfect for weeknights or date nights.
1 lb sirloin steak, cut into 1-inch cubes
1 tbsp olive oil
2 tbsp butter (divided)
4 cloves garlic, minced
3/4 cup heavy cream
Salt and black pepper, to taste
1 tbsp grated Parmesan (optional, for sauce)
Chopped parsley (optional)
Mashed Potatoes:
2 lbs Yukon Gold potatoes, peeled and cubed
3 tbsp butter
1/2 cup warm milk or cream
1/3 cup grated Parmesan
Salt and pepper, to taste
Boil potatoes in salted water until fork-tender (about 15 minutes). Drain and mash with butter, milk, and Parmesan. Season to taste.
Heat oil and 1 tbsp butter in a skillet over medium-high heat.
Season steak with salt and pepper. Sear in batches until browned (1–2 minutes per side). Remove from pan.
Lower heat to medium, add remaining butter and garlic. Sauté 30 seconds.
Stir in cream and simmer for 2–3 minutes until slightly thickened.
Return steak to pan, stir to coat in sauce. Simmer 1–2 minutes more.
Serve steak and sauce over mashed potatoes. Garnish with parsley and extra Parmesan if desired.