Pan-Seared Beef Steak with Garlic and Thyme
Juicy flank steak seared to perfection with aromatic garlic and thyme, ideal for a satisfying weeknight meal. This American-inspired Whole30 recipe, ready in about 20 minutes, pairs flank steak, avocado oil, garlic for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 2, so it slots cleanly into a Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. 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.
Ingredients
- 1.5 lbs flank steak
- 2 tbsp avocado oil
- 3 cloves garlic
- 1 tbsp fresh thyme
- 1/2 tsp sea salt
- 1/4 tsp black pepper
The cast-iron skillet we’d sear this in → Best Cast Iron Skillets for 2026: Top Picks + Buying Guide
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Season 1.5 lbs flank steak with 1/2 tsp sea salt and 1/4 tsp black pepper on both sides.
- Step 2: Heat 1 tbsp avocado oil in a cast-iron skillet over medium-high heat until shimmering. Add steak and cook for 4 minutes per side for medium-rare, then remove and let rest for 5 minutes.
- Step 3: Add remaining 1 tbsp avocado oil to the skillet, then add 3 minced garlic cloves and 1 tbsp fresh thyme, sautéing for 30 seconds until fragrant. Return steak to the skillet, sear for 1 minute more, then serve.
