01 -
Place peeled and cubed potatoes in a large pot. Cover with cold water, add a pinch of salt, and bring to a boil. Reduce heat and simmer until fork-tender, approximately 15 minutes.
02 -
Drain potatoes and return them to the pot. Add milk and butter, then mash until smooth and creamy. Season with salt and black pepper to taste and mix thoroughly.
03 -
Heat vegetable oil in a heavy-bottomed skillet over medium-high heat. Add steak pieces in a single layer and cook for 2 to 3 minutes per side, working in batches to prevent overcrowding. Remove and set aside.
04 -
Reduce the skillet heat to medium. Add minced garlic and sauté for 1 minute until fragrant. Stir in butter, thyme, and rosemary, allowing the butter to melt and herbs to infuse.
05 -
Return steak bites to the skillet and toss gently to coat in the garlic butter sauce. Heat for an additional minute to absorb flavors. Adjust seasoning with salt and pepper as needed.
06 -
Arrange mashed potatoes on serving plates. Top with steak bites and drizzle with remaining garlic butter sauce. Garnish with fresh parsley if desired.