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Garlic Butter Herb Steak Bites with Golden Potatoes

Tender, juicy sirloin steak bites with crispy caramelized edges tossed in rich herb garlic butter alongside golden pan-crisped baby potatoes. A legendary one-skillet dinner!

Chef Marcus Vance
By Chef Marcus VanceTest Kitchen Director
Published Sep 27, 2026•
4.98(312 reviews)
Garlic Butter Herb Steak Bites with Golden Potatoes
Caramelized sirloin steak cubes and crispy golden fingerling potatoes tossed in thyme garlic butter.Photo: YumLovers Test Kitchen / Marcus Vance
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Prep Time15 mins
Cook Time20 mins
Total Time35 mins
Servings4 hearty servings
YumLovers Tested Kitchen Card

Garlic Butter Herb Steak Bites with Golden Potatoes

American•Easy•540 kcal per serving
Servings:
4
Units:

Ingredients

Tap to check off as you cook
  • 1.5 lbstop sirloin or ribeye steak(cut into 1-inch bite-sized cubes)
  • 1 lbbaby gold Yukon potatoes(quartered)
  • 3 tbspolive oil(divided)
  • 3 tbspunsalted butter
  • 6 clovesgarlic(minced)
  • 1 tbspfresh rosemary(finely chopped)
  • 1 tbspfresh thyme leaves
  • 2 tbspfresh Italian flat-leaf parsley(chopped)
  • 1 tspgarlic powder
  • 1 tspkosher salt(divided)
  • 0.5 tspfresh cracked black pepper
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Step-by-Step Instructions

  1. 1

    Pre-cook potatoes: Place quartered potatoes in a microwave-safe bowl with 2 tablespoons of water. Cover and microwave on high for 4 minutes until fork-tender, then drain and pat dry.

    Chef's Secret: Par-cooking potatoes cuts skillet cook time in half and guarantees fluffy insides with ultra-crisp skins.
  2. 2

    Heat 1.5 tablespoons olive oil in a heavy cast iron skillet over medium-high heat. Add potatoes in a single layer. Fry undisturbed for 4 minutes until deeply golden, flip and cook another 3-4 minutes. Season with a pinch of salt, pepper, and half the fresh rosemary. Transfer potatoes to a warm bowl.

    Chef's Secret: Do not stir frequently; allow the potatoes to make full contact with the hot iron for that golden crust.
  3. 3

    Wipe pan if needed and crank heat to high. Add remaining 1.5 tablespoons olive oil. Once shimmering hot, add steak bites in a single spaced layer. Sear undisturbed for 2-3 minutes to develop a deep brown crust, then toss and sear for 2 more minutes (medium-rare to medium).

    Chef's Secret: High heat is crucial—you want a fast hard sear on the outside without overcooking the tender beef inside.
  4. 4

    Reduce heat to medium. Add butter, minced garlic, fresh thyme, and remaining rosemary directly to the skillet. Baste the foaming herb butter over the steak bites for 1 minute.

    Chef's Secret: Tilt the pan slightly and use a large spoon to baste the steak bites continuously.
  5. 5

    Return the crispy golden potatoes to the skillet. Toss everything together in the luscious garlic herb butter for 60 seconds until glistening and heated through. Remove from heat, garnish heavily with fresh chopped parsley, and serve immediately straight from the cast iron skillet.

    Chef's Secret: Serve with a crisp Caesar salad or steamed garlic green beans.

Estimated Nutrition (Per Serving)

Based on 4 servings
Calories540 kcal
Protein39 g
Carbs24 g
Fat32 g
Fiber3 g
Sugar1 g
Sodium580 mg

Recommended Kitchen Tools for this Recipe

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Test Kitchen Tips

  • Take your steak out of the fridge 20 minutes before cooking. Room temperature meat sears evenly without dropping pan temperature.
  • Cut your steak cubes uniformly so every piece reaches perfect medium-rare at the exact same moment.

Storage & Reheating

Best eaten freshly made. Leftovers can be refrigerated up to 3 days and make an unbelievable breakfast hash with fried eggs.

Related Tags:
#Steak#Beef#Potatoes#Cast Iron#Dinner#Comfort Food

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