Argentine-British Fusion Steak

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A tender flank steak marinated in chimichurri, served with rosemary-roasted potatoes, blending Argentine and British flavors. This beef-inspired beef ready in about 65 minutes pairs trimmed flank steak, olive oil, red wine vinegar for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 520 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.

★ 3.3 (9 ratings) Prep: 35 min Cook: 30 min Serves 4 Beef cuisine 520 cal/serving
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Ingredients

Instructions

  1. Step 1: In a small bowl, mix 2 tbsp olive oil, 1 tbsp red wine vinegar, 1/4 cup chopped parsley, 1 tbsp chopped oregano, 2 minced garlic cloves, and 1/4 tsp red pepper flakes to make chimichurri. Rub the mixture evenly over 1 lb flank steak and let marinate for 30 minutes at room temperature.
  2. Step 2: Preheat oven to 400°F (200°C). Toss 2 lbs cubed potatoes with 1 tbsp chopped rosemary, 1 tsp salt, and 1/2 tsp black pepper. Spread on a baking sheet and roast for 25 minutes until golden and crispy.
  3. Step 3: Heat a skillet over high heat. Sear the marinated flank steak for 4 minutes per side for medium-rare, or until an internal thermometer reads 130°F (54°C). Rest for 10 minutes before slicing thinly against the grain.
  4. Step 4: Serve the sliced steak over the roasted potatoes, drizzling with extra chimichurri for maximum flavor.

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Frequently asked questions

How long does Argentine-British Fusion Steak take to make?

Total time is about 65 minutes (35 min prep + 30 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 Argentine-British Fusion Steak?

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 trimmed flank steak from drying out.

Can I substitute ingredients in Argentine-British Fusion Steak?

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 Argentine-British Fusion Steak 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.

What goes well with Argentine-British Fusion Steak?

Beef beef like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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