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Dinner · Part 2 of 3: Instructions

Garlic Butter Steak Bites with Creamy Mashed Potatoes Step-by-step instructions

Juicy garlic butter steak bites served over a bed of creamy mashed potatoes in a cast-iron skillet.
Prep
Cook
Total
Serves
4
Includes 3 min resting

Before you start

Start by prepping the ingredients to ensure a smooth cooking process. Peel and cut the potatoes into uniform chunks so they cook evenly. Pat the steak cubes dry with paper towels to ensure a perfect sear.

Prepare the garlic by mincing it finely and set the butter aside so it melts quickly. Having all elements ready near the stove allows for efficient cooking, which is vital when working with high-heat searing techniques where timing is everything.

Ingredients at a glance (4)
  • 1 1/2 lb steak, cut into 1-inch cubes
  • 4 tbsp butter
  • 4 cloves garlic, minced
  • 2 lb potatoes, peeled and boiled

Instructions

Potato Preparation

  1. Prepare the Mashed Potatoes
    Boil the peeled potatoes in a large pot of water until tender. Drain the water thoroughly and mash the potatoes until they reach a smooth, creamy consistency. Keep them warm until the steak is ready to be served.
    Look for Potatoes should be fork-tender and mash easily.
    Tip Mash while hot for the smoothest texture.

The potatoes should be soft enough to be pierced easily with a fork and mash into a smooth, lump-free consistency. They should smell clean and earthy, creating a luxurious, velvety texture that holds its shape on the plate.

Steak Searing

  1. Sear the Steak Bites
    Heat a cast-iron skillet over high heat. Add the steak cubes in a single layer. Sear the meat until deeply browned on all sides, ensuring it reaches an internal temperature of 145°F (63°C). Let the meat rest for at least 3 minutes before serving.
    Look for Steak should develop a deep, caramelized brown crust.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Do not overcrowd the pan to ensure a proper sear.

The steak bites should exhibit a deep, rich brown crust on all sides. The pan should be hot, with the sound of a steady, vigorous sizzle. The meat should feel firm yet tender, and the kitchen should smell of caramelized beef and rendered fat.

Garlic Butter Finish

  1. Finish with Garlic Butter
    Lower the heat and add the butter and minced garlic to the skillet with the steak. Stir constantly until the butter is melted and the garlic is fragrant. Serve the steak bites immediately over the warm mashed potatoes.
    Look for Garlic should be fragrant but not browned or burnt.
    Tip The butter will create a glossy sauce with the pan drippings.

The butter should be completely melted and glossy, with the garlic softened and highly fragrant. The sauce should coat the steak bites evenly, and the overall aroma should be rich, buttery, and savory. Everything is ready to be plated once the sauce is emulsified.

Common mistakes

A common mistake is overcrowding the skillet, which lowers the pan temperature and causes the steak to steam in its own juices instead of searing.

Always work in batches if necessary to maintain high heat. Another error is using low-quality butter, which can affect the flavor of the final sauce.

Finally, failing to rest the meat results in lost juices upon cutting, leading to a less tender final product. Ensure the potatoes are drained thoroughly before mashing; excess water will make the mash runny.

How to tell it’s done

The steak bites are finished when they reach an internal temperature of 145°F (63°C). Use an instant-read meat thermometer inserted into the center of a larger piece to verify the temperature. At this stage, the meat should be deeply browned on the outside and tender on the inside.

Allowing the meat to rest for at least 3 minutes after cooking is non-negotiable, as it lets the juices redistribute throughout the muscle fibers, ensuring every bite is succulent and flavorful rather than dry.

  • Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest

Coming up in Part 3: common questions

  • Can this be made ahead?
  • Why does the garlic burn so easily?
  • What is the best way to keep the steak tender?

Also in Part 3: variations (Herb-Infused Butter, Spicy Steak Bites), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)