Pan-Seared Beef with Garlic Mashed Potatoes and Herb Butter

By AislePrompt Editorial · ·

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are drafted and published.

Juicy pan-seared beef steaks served with creamy garlic mashed potatoes and topped with a fragrant herb butter sauce. This beef recipe, ready in about 40 minutes, pairs beef sirloin steaks, salt, black pepper for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 620 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 25 min Serves 4 International cuisine 620 cal/serving
Build a week of meals around this recipe → Shop this recipe on Instacart → Shop equipment ↓

Ingredients

Nonstick skillets worth buying → Best Nonstick Cookware for 2026: Top 5 Skillet Picks + Buying Guide

Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →

Equipment for this recipe

Tools this recipe's steps call for, with a link to each on Amazon.

More Cookware & pots → Shop all kitchen tools →

Instructions

  1. Step 1: Place 2 lbs peeled and quartered russet potatoes into a large pot of salted water. Bring to a boil over high heat and cook for 15-18 minutes until fork-tender. Drain well.
  2. Step 2: While potatoes cook, season 4 beef sirloin steaks with 1 tsp salt and 1 tsp black pepper on both sides.
  3. Step 3: Heat 2 tbsp olive oil in a large skillet over medium-high heat. Add the steaks and cook for 4 minutes per side for medium-rare, or until desired doneness. Remove steaks and tent with foil to rest.
  4. Step 4: In a small saucepan, melt 4 tbsp unsalted butter over medium-low heat. Add 4 minced garlic cloves and cook gently for 1-2 minutes until fragrant but not browned. Remove from heat and stir in 2 tbsp chopped parsley, 1 tbsp chopped thyme, and 1 tsp chopped rosemary.
  5. Step 5: Mash the drained potatoes with 4 tbsp unsalted butter and 1/2 cup whole milk until creamy and smooth. Season with salt to taste.
  6. Step 6: Serve each steak with a generous scoop of garlic mashed potatoes and drizzle the herb garlic butter over the beef for rich flavor.

Related recipes