Cocoa-Cajun Flank Steak Marinade

2 August, 2025

recipes

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This is perfect for grilling or cast iron searing—just be sure to slice thinly against the grain after a rest

🥩 Cocoa-Cajun Flank Steak Marinade

Prep Time: 10 minutes
Marinate Time: 4–12 hours
Cook Time: ~10 minutes
Yield: Enough for 1½–2 lbs flank steak

Ingredients

• 3 Tbsp balsamic vinegar
• 2 Tbsp Worcestershire sauce
• 1 Tbsp soy sauce
• 1 Tbsp brown sugar or molasses
• 1 Tbsp olive oil
• 2 tsp Cajun seasoning (adjust to your heat preference)
• 1 tsp unsweetened cocoa powder
• 1 tsp ground cumin
• ½ tsp smoked paprika (optional, for extra smoke)
• 1 garlic clove, minced or smashed

Optional Enhancements

• ½ tsp Dijon mustard – adds tang and emulsifies the marinade
• 1 Tbsp lime or orange juice – brightens and balances

Instructions

1. Combine all ingredients in a bowl or zip-top bag.
2. Add 1½–2 lbs flank steak and coat well. Press out the air if using a bag.
3. Marinate in the refrigerator for 4 to 12 hours.
4. Remove from marinade, pat dry, and bring to room temp for ~20 minutes before cooking.
5. Grill over high heat or sear in cast iron until 125–130°F internal (about 4–5 minutes per side).
6. Rest 5–10 minutes, then slice thinly against the grain.

Pairing Ideas

• Drink: Zinfandel, Malbec, smoked porter, or a neat pour of bourbon
• Sides: Grilled corn, black bean salad, or roasted sweet potatoes

This marinade strikes a perfect balance of smoky, tangy, and umami—without needing exotic ingredients. Let me know how it turns out!

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#flanksteak #marinade #cajun #grilling #recipes