Grilled Crab with Caramelized Onion and Garlic Butter
Prep
20 mins
Cook
35 mins
Servings
4
Difficulty
Medium
Let me share one of my favorite summer dishes that never fails to impress. Grilled crab with caramelized onion and garlic butter is a restaurant quality meal that comes together in just about an hour, making it perfect for weeknight dinners or casual entertaining. The sweet, deeply browned onions and rich garlic butter create an incredibly luxurious sauce that clings to every tender piece of crab. What I love most is how simple it actually is to make, and crab claws are often more affordable than whole crabs while giving you all that sweet, succulent meat. Plus, garlic is packed with beneficial compounds that support heart health, so you're treating yourself well while indulging in something absolutely delicious.
Ella x
Ingredients
- 1 kgfresh crab claws(cleaned and dried)
- 3 mediumyellow onions(thinly sliced)
- 6 tablespoonsbutter(divided)
- 5garlic cloves(minced)
- 2 sprigsfresh thyme
- 1 teaspoonsea salt
- ½ teaspoonblack pepper
- 59 mlwhite wine
- 1lemon(halved)
- 2 tablespoonsolive oil
- ¼ teaspoonred pepper flakes
Detail level
Instructions
- 1
Heat 3 tablespoons of butter in a large skillet over medium-low heat. Add sliced onions and cook for 20-25 minutes, stirring occasionally, until deeply caramelized and golden brown. Season with a pinch of salt.
Tip: Low and slow is key - resist the urge to increase heat as this develops the sweetness.
- 2
Pat the crab claws dry with paper towels to ensure proper browning. Brush lightly with olive oil and season generously with sea salt and black pepper on all sides.
Tip: Dry crab will grill much better and develop a better crust.
- 3
Preheat your grill to medium-high heat (about 400°F). Once hot, place crab claws directly on the grill grates and cook for 4-5 minutes per side, until the shells have char marks and the meat is heated through.
Tip: Don't move the claws around too much - let them sit to develop those beautiful grill marks.
- 4
While crab grills, make the garlic butter by melting the remaining 3 tablespoons of butter in a small saucepan over low heat. Add minced garlic, fresh thyme, and red pepper flakes, cooking for 2-3 minutes until fragrant.
Tip: Watch carefully to prevent the garlic from burning.
- 5
Remove the garlic butter from heat and stir in the white wine and juice from half the lemon. Keep warm on the side of the grill.
Tip: The wine adds depth and prevents the butter from becoming too heavy.
- 6
Transfer the grilled crab claws to a serving platter and top with the caramelized onions, spacing them evenly across each claw.
Tip: Present the onions while they're still warm for maximum flavor impact.
- 7
Drizzle the warm garlic butter over the topped crab claws and serve immediately with fresh lemon wedges on the side.
Tip: Have extra butter on hand - guests will want to dip their crab meat in this liquid gold.
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