Save A hearty, all-in-one meal featuring juicy steak and creamy garlic mashed potatoes roasted together on a single sheet pan for maximum flavor and minimal cleanup.
The first time I made this steak & garlic mash sheet pan for my family, we were amazed at how effortless yet satisfying it turned out. Every bite brought together the juicy steak flavors with perfectly seasoned potatoes and green beans, and it quickly became a weeknight favorite.
Ingredients
- Boneless sirloin steaks: 4 (6 oz / 170 g)
- Olive oil: 2 tbsp (plus 1 tbsp for green beans)
- Kosher salt: 1 tsp (plus 1 tsp for potatoes, ½ tsp for green beans)
- Freshly ground black pepper: ½ tsp (plus ½ tsp for potatoes, ¼ tsp for green beans)
- Smoked paprika: 1 tsp
- Dried thyme: 1 tsp
- Yukon gold potatoes: 2 lbs (900 g), peeled and cubed
- Garlic: 4 cloves, peeled
- Heavy cream (or milk): ¼ cup (60 ml)
- Unsalted butter: 2 tbsp
- Green beans: 1 lb (450 g), trimmed
- Chopped fresh parsley (optional): 2 tbsp
Instructions
- Prep Sheet Pan:
- Preheat oven to 425°F (220°C). Line a large sheet pan with parchment paper or foil.
- Cook Potatoes:
- Place potatoes and garlic in a saucepan. Cover with water and a pinch of salt. Bring to a boil, then simmer for 12–15 minutes until fork-tender. Drain well.
- Mash Potatoes:
- Return potatoes and garlic to the pot. Add butter, cream, salt, and pepper. Mash until smooth and creamy. Set aside, covered.
- Season Steaks:
- Pat steaks dry. Rub with olive oil, salt, pepper, paprika, and thyme. Let rest at room temperature.
- Prep Green Beans:
- Toss green beans with olive oil, salt, and pepper. Spread on one side of the sheet pan.
- Arrange Pan:
- Mound mashed potatoes on the other side of the pan, forming four piles. Place steaks in the remaining space.
- Roast:
- Roast for 12–15 minutes, flipping steaks halfway, until desired doneness (130°F/54°C for medium-rare).
- Broil (Optional):
- If needed, broil for 2 minutes to brown steaks.
- Finish & Serve:
- Remove from oven. Let steaks rest for 5 minutes. Sprinkle with parsley before serving.
Save This recipe has quickly turned into a family comfort meal, with everyone gathering around the table and enjoying a homemade feast together. Sharing these sheet pan dinners has become a cherished routine in our home.
Required Tools
You'll need a large sheet pan, a saucepan, potato masher, knife and cutting board, and tongs to easily prepare this recipe from start to finish.
Nutritional Information
Each serving offers approximately 560 calories, 28 g total fat, 36 g carbohydrates, and 39 g protein, making it a balanced meal option for dinner.
Serving Suggestions
Pair this sheet pan steak and garlic mash with a robust red wine, like Cabernet Sauvignon, or switch up the veggies with asparagus or broccoli to suit your taste.
Save With minimal prep and maximum flavor, this steak & garlic mash sheet pan recipe turns an ordinary night into a special family meal. Enjoy easy cleanup and delicious comfort in every bite.
Recipe Questions & Answers
- → How do I achieve medium-rare steak in this dish?
Roast the steaks at 425°F and flip halfway through after 12-15 minutes. Aim for an internal temperature of 130°F (54°C) and let them rest before serving.
- → Can I substitute the green beans with other vegetables?
Yes, asparagus or broccoli are great alternatives that roast well alongside the steak and mashed potatoes.
- → What is the best potato to use for the mash?
Yukon gold potatoes are ideal for creamy mashed potatoes due to their smooth texture and buttery flavor.
- → How can I make the mashed potatoes dairy-free?
Replace the butter and cream with plant-based alternatives such as vegan butter and non-dairy milk.
- → What seasoning enhances the steak flavor most effectively?
A mix of smoked paprika, dried thyme, kosher salt, and freshly ground black pepper brings out a rich, smoky aroma and depth.
- → Is it necessary to broil the steaks at the end?
Broiling for 2 minutes adds a nice browned crust, but it’s optional if the steaks have already reached desired doneness.