Pan-Seared Steak Cubes with Garlic Butter

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Crisp-edged steak cubes coated in a rich garlic butter sauce, ready in under 15 minutes. This american-inspired beef (keto, low-carb) ready in about 20 minutes pairs ounces sirloin steak, tablespoons butter, garlic for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 300 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: 10 min Cook: 10 min Serves 4 American cuisine 300 cal/serving
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Ingredients

Instructions

  1. Step 1: Mix 3 tablespoons softened butter with 4 minced garlic cloves and 1/4 teaspoon salt until well combined.
  2. Step 2: Heat 1 tablespoon olive oil in a large skillet over medium-high heat until shimmering.
  3. Step 3: Add 12 ounces cubed sirloin steak and cook for 3-4 minutes per side until browned and cooked to desired doneness.
  4. Step 4: Brush the garlic butter mixture over the steak cubes and cook for 1 minute more until butter melts and steak is coated.

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Frequently asked questions

How long does Pan-Seared Steak Cubes with Garlic Butter take to make?

Total time is about 20 minutes (10 min prep + 10 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Pan-Seared Steak Cubes with Garlic Butter?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep ounces sirloin steak from drying out.

Can I substitute ingredients in Pan-Seared Steak Cubes with Garlic Butter?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Pan-Seared Steak Cubes with Garlic Butter for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Pan-Seared Steak Cubes with Garlic Butter keto?

Yes — this recipe is tagged keto, low-carb based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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