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If you are craving a dish that combines tender, juicy steak with comforting sides and vibrant veggies, the Garlic Butter Steak Bites with Mashed Potatoes and Green Beans Recipe is your ultimate go-to. This recipe brings together perfectly seared sirloin steak cubes bathed in fragrant garlic butter, creamy mashed potatoes, and crisp-tender green beans to create a plate full of rich flavors and satisfying textures. Every bite feels like a warm hug, making it a favorite to share with friends and family anytime you want a hearty, elegant meal without fuss.

Ingredients You’ll Need
Every ingredient in this recipe plays an indispensable role that brings depth and balance to the dish. From the savory sirloin steak to the buttery mashed potatoes and bright green beans, each element not only contributes wonderful taste but also adds beautiful color and texture to your plate.
- Sirloin steak, 1 ½ pounds: Cut into 1-inch cubes to ensure quick, even cooking and a tender bite every time.
- Salt and pepper: Essential for seasoning the steak and enhancing all the natural flavors.
- Olive oil, 2 tablespoons: One tablespoon for searing the steak and one for sautéing the green beans; it adds subtle richness without overpowering.
- Unsalted butter, 4 tablespoons: Creates the luscious garlic butter sauce that coats the steak bites, making every forkful indulgent.
- Garlic cloves, 5 minced: Infuses the steak bites with that irresistible garlic aroma and taste that makes this dish unforgettable.
- Fresh parsley, 1 tablespoon chopped: Added at the end for a fresh, herbaceous pop of color and flavor.
- Russet potatoes, 2 pounds peeled and cubed: Ideal for fluffy, creamy mashed potatoes that complement the richness of the steak.
- Whole milk, ½ cup: Makes the mashed potatoes smooth and velvety without weighing them down.
- Butter for mashed potatoes, 2 tablespoons: Adds richness and silkiness to the potatoes.
- Green beans, 12 ounces trimmed: Provides a crisp, fresh contrast to the hearty steak and creamy mash.
- Garlic powder, 1 teaspoon: Seasons the green beans with a subtle garlic flavor that ties into the steak’s sauce beautifully.
- Black pepper: Used to season the green beans and add a gentle kick.
How to Make Garlic Butter Steak Bites with Mashed Potatoes and Green Beans Recipe
Step 1: Prepare the Mashed Potatoes
Start by bringing a large pot of salted water to a boil, then add your peeled and cubed russet potatoes. Cooking until fork-tender, usually about 15 to 20 minutes, ensures the mash will be perfectly smooth and creamy. After draining, mash the potatoes with the whole milk, butter, and a pinch of salt. Keep them warm to serve alongside your steak bites.
Step 2: Season and Sear the Steak Bites
While your potatoes are cooking, season the sirloin steak cubes generously with salt and pepper. Heat a tablespoon of olive oil in a large skillet over medium-high heat, then add the steak cubes in a single layer. Sear for about 2 minutes on each side until they develop a beautiful brown crust without overcooking. Remove them from the pan and set aside.
Step 3: Make the Garlic Butter Sauce
In the same skillet, reduce the heat to medium and add the unsalted butter along with the minced garlic. Stir just until fragrant, around 30 seconds—this garlic butter sauce is the soul of the dish. Return the seared steak bites to the pan and toss gently to coat each piece with the luscious sauce. Finish by sprinkling fresh parsley on top for that inviting touch of green and fresh flavor.
Step 4: Cook the Green Beans
In a separate skillet, warm the remaining olive oil over medium heat. Add the trimmed green beans and season with garlic powder, salt, and black pepper. Sauté them for 6 to 8 minutes until tender yet crisp, maintaining a wonderful bright green color and a slight snap that contrasts beautifully with the rest of the meal.
How to Serve Garlic Butter Steak Bites with Mashed Potatoes and Green Beans Recipe

Garnishes
To elevate your plate, consider a sprinkle of freshly chopped parsley over the steak bites and mashed potatoes for extra freshness. A light drizzle of the garlic butter sauce over the mashed potatoes ties everything together and makes it shine.
Side Dishes
While the recipe already includes mashed potatoes and green beans, adding a crisp side salad with a tangy vinaigrette can offer refreshing acidity that balances the richness of the garlic butter steak bites with mashed potatoes and green beans recipe perfectly.
Creative Ways to Present
For an eye-catching presentation, plate the mashed potatoes in a neat mound with a well in the center to catch any extra garlic butter sauce from the steak bites. Arrange the green beans alongside in a neat bundle or stacked to add height and dimension. Using a white plate helps the vibrant colors pop and invites your guests to dig in immediately.
Make Ahead and Storage
Storing Leftovers
If you have any leftovers of this Garlic Butter Steak Bites with Mashed Potatoes and Green Beans Recipe, store them in an airtight container in the refrigerator within two hours of cooking. The steak bites and green beans will stay tasty for up to three days, while the mashed potatoes remain creamy and satisfying.
Freezing
While mashed potatoes freeze well, steak bites and green beans are best enjoyed fresh to preserve their textures and flavors. If you want to freeze, pack only the mashed potatoes in a freezer-safe container for up to one month. Thaw overnight in the refrigerator before reheating.
Reheating
Reheat leftovers gently to avoid drying out the steak bites. Warm the steak and green beans in a skillet over medium heat with a little butter or olive oil, turning frequently until heated through. For mashed potatoes, microwave them covered with a sprinkle of milk to restore creaminess, stirring occasionally.
FAQs
Can I use a different cut of steak for this recipe?
Absolutely! While sirloin steak is ideal for tender, juicy bites, you can use ribeye or strip steak as well. Just ensure you cut the steak into even cubes for consistent cooking.
Is it necessary to peel the potatoes?
Peeling russet potatoes creates a creamier texture in mashed potatoes, but if you prefer a more rustic style with some peel included, Yukon Gold potatoes are also an excellent choice.
How do I know when the steak bites are perfectly cooked?
You want to sear the steak bites until browned on the outside but still tender inside, which usually takes about 2 minutes per side. Avoid overcooking to keep them juicy and flavorful.
Can I make this dish dairy-free?
Yes! Swap the butter with a plant-based margarine or oil, and use a dairy-free milk alternative for the mashed potatoes to accommodate dairy-free diets, with delicious results.
What’s the best way to keep green beans crisp?
Sauté the green beans over medium heat and avoid overcooking by frequently stirring. If you prefer extra tender beans, blanch them briefly before sautéing. This method keeps their bright color while softening the texture.
Final Thoughts
This Garlic Butter Steak Bites with Mashed Potatoes and Green Beans Recipe has quickly become one of those heartfelt meals that you’ll want to make time and again. With its perfect balance of flavors and textures, it feels both special and comforting at the same time. I encourage you to give it a try, gather your favorite people around the table, and enjoy the joy that this simple yet remarkable dish brings.
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Garlic Butter Steak Bites with Mashed Potatoes and Green Beans Recipe
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 4 servings
- Category: Main Course
- Method: Stovetop
- Cuisine: American
- Diet: Gluten Free
Description
Garlic Butter Steak Bites with Mashed Potato and Green Beans is a delicious and hearty American main course featuring tender sirloin steak cubes seared and tossed in a fragrant garlic butter sauce. Served alongside creamy mashed russet potatoes and sautéed tender-crisp green beans seasoned with garlic powder, this easy stovetop recipe makes a perfect gluten-free dinner for four.
Ingredients
Steak Bites
- 1 ½ pounds sirloin steak, cut into 1-inch cubes
- Salt and pepper, to taste
- 1 tablespoon olive oil
- 4 tablespoons unsalted butter
- 5 garlic cloves, minced
- 1 tablespoon fresh parsley, chopped
Mashed Potatoes
- 2 pounds russet potatoes, peeled and cubed
- ½ cup whole milk
- 2 tablespoons butter
- Salt, to taste
Green Beans
- 12 ounces green beans, trimmed
- 1 tablespoon olive oil
- 1 teaspoon garlic powder
- Black pepper, to taste
- Salt, to taste
Instructions
- Cook Potatoes: Bring a large pot of salted water to a boil. Add the peeled and cubed potatoes and cook until fork-tender, about 15-20 minutes. Drain well.
- Mash Potatoes: Return drained potatoes to the pot or a bowl. Add whole milk, butter, and salt to taste. Mash until smooth and creamy. Set aside and keep warm.
- Season Steak: Season the sirloin steak cubes generously with salt and pepper on all sides.
- Sear Steak Bites: Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Add steak cubes in a single layer and sear for about 2 minutes per side until browned but not cooked through. Remove steak bites from the skillet and set aside.
- Make Garlic Butter Sauce: Reduce heat to medium. In the same skillet, add 4 tablespoons unsalted butter and minced garlic. Stir continuously for about 30 seconds until fragrant, being careful not to burn the garlic.
- Toss Steak in Garlic Butter: Return steak bites to the skillet and toss well to coat with the garlic butter sauce. Remove from heat and sprinkle chopped fresh parsley over the steak bites.
- Sauté Green Beans: In a separate skillet, heat 1 tablespoon olive oil over medium heat. Add trimmed green beans and season with garlic powder, salt, and black pepper. Sauté for 6-8 minutes until green beans are tender-crisp.
- Serve: Plate the garlic butter steak bites with a generous scoop of mashed potatoes and a side of sautéed green beans. Enjoy warm.
Notes
- For extra flavor, add a splash of beef broth or Worcestershire sauce to the garlic butter sauce while tossing the steak.
- Use Yukon Gold potatoes instead of russet for creamier mashed potatoes.
- Blanch green beans in boiling water for 2 minutes before sautéing if you prefer them more tender.
- Make sure not to overcrowd the pan when searing steak bites to ensure proper browning.

