Grilled Sirloin Steak with Chimichurri and Lemon Zest
Char-grilled sirloin steak marinated in a vibrant herbaceous chimichurri sauce and brightened with citrus zest for a refreshing, low-carb dinner. This argentine-inspired beef (keto) ready in about 23 minutes pairs Sirloin steak, Olive oil, Fresh parsley for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 520 calories and feeds 2, 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.
Ingredients
- 16 oz Sirloin steak
- 2 tbsp Olive oil
- 3 tbsp Fresh parsley
- 1 tbsp Fresh cilantro
- 1 tbsp Red wine vinegar
- 1 clove Garlic
- 1 tsp Lemon zest
- 1/4 tsp Salt
- 1/8 tsp Black pepper
Instructions
- Step 1: Pat 16 oz sirloin steaks dry with paper towels. Brush both sides with 2 tbsp olive oil and season with 1/4 tsp salt and 1/8 tsp black pepper.
- Step 2: In a small bowl, combine 3 tbsp fresh parsley, 1 tbsp fresh cilantro, 1 tbsp red wine vinegar, 1 minced garlic clove, and 1 tsp lemon zest.
- Step 3: Preheat grill to medium-high (375°F) and oil grates.
- Step 4: Grill steaks for 4 minutes per side for medium-rare, or until internal temperature reaches 125°F.
- Step 5: Remove steaks from grill and let rest for 5 minutes.
- Step 6: Toss chimichurri sauce with 1 tbsp reserved grilling juices and drizzle over steaks just before serving.
Frequently asked questions
How long does Grilled Sirloin Steak with Chimichurri and Lemon Zest take to make?
Total time is about 23 minutes (15 min prep + 8 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 Grilled Sirloin Steak with Chimichurri and Lemon Zest?
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 sirloin steak from drying out.
Can I substitute ingredients in Grilled Sirloin Steak with Chimichurri and Lemon Zest?
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 Grilled Sirloin Steak with Chimichurri and Lemon Zest for a different number of people?
The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). 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 Grilled Sirloin Steak with Chimichurri and Lemon Zest keto?
Yes — this recipe is tagged keto based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★★★
Lemon zest elevated the dish beautifully. Cooked it for my parents' anniversary, and they called it 'restaurant quality'!
- ★★★★★
The chimichurri was a revelation—bright, herbal, and perfect with the seared steak. My family asked for seconds!
- ★★★★☆
Steak was tender, but chimichurri needed less garlic for my taste. Still a 4-star for the flavor combo!
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