Oven-Roasted Dungeness Crab Recipe hits that sweet spot between buttery, garlicky richness and clean, briny crab flavor that tastes like a coastal restaurant special. It works perfectly for date night, holidays, or a treat-yourself dinner, and you can get it on the table in about 45 minutes total. I grew up cracking crab at newspaper-covered tables, so this recipe feels like a cozy throwback every time I make it.

Why Make This Oven-Roasted Dungeness Crab Recipe at Home

You control everything at home, from how garlicky the butter gets to how spicy you want the crab. The oven concentrates the flavors, so the crab tastes sweet, juicy, and slightly caramelized around the edges.

You also save a lot compared to restaurant prices, especially if you catch a sale or live near the coast. Cleanup stays pretty simple, and you can serve it right in the roasting pan for that casual, roll-up-your-sleeves vibe.

This Oven-Roasted Dungeness Crab Recipe tastes like a fancy seafood restaurant dinner but feels easy and relaxed at home, ★★★★★

Ingredients You Need

Dungeness crab

2 large cooked Dungeness crabs, cleaned and split
- Ask the fishmonger to clean and crack them to save time.
- Use fresh live crab that they cook for you, or buy pre-cooked whole crab.
- If you only find frozen, thaw it overnight in the fridge, then pat dry.

Butter and oil

1 stick (8 tablespoons) unsalted butter, melted
- Salted butter works too, just reduce added salt slightly.
2 tablespoons olive oil
- The oil keeps the butter from browning too fast in the oven.

Garlic and aromatics

6 to 8 cloves garlic, very finely minced or grated
- Use jarred minced garlic in a pinch, about 2 to 3 teaspoons.
1 small shallot, very finely minced
- Substitute 2 tablespoons finely minced yellow onion if needed.
Zest of 1 lemon
2 tablespoons fresh lemon juice
2 tablespoons chopped fresh parsley
- Dried parsley works if you must, use 2 teaspoons.

Seasonings

1 teaspoon kosher salt, plus more to taste
½ teaspoon freshly ground black pepper
½ to 1 teaspoon red pepper flakes, to taste
1 teaspoon Old Bay seasoning or similar seafood seasoning blend
½ teaspoon smoked paprika or sweet paprika

Optional flavor boosters

1 teaspoon Dijon mustard for a slight tang in the butter sauce
1 teaspoon honey for a light sweet note that balances the salt and spice
Extra lemon wedges for serving

Equipment

Large rimmed baking sheet or roasting pan
Parchment paper or foil for easier cleanup
Small saucepan or microwave safe bowl for melting butter
Tongs
Basting brush or spoon
Crab crackers and picks or nutcrackers
Large bowl for shells and napkins or paper towels

Tips & Mistakes

Use cooked crab, not raw, so you only reheat and roast to flavor it, not cook it from scratch.
Pat the crab dry so the butter mixture sticks and the crab roasts instead of steaming.
Toss the crab thoroughly in the butter mixture so every nook and cranny gets flavor.
Avoid overcrowding the pan, or the crab steams and loses that light roasted edge.
Roast at high heat so the garlic butter bubbles and caramelizes slightly.
Stir or baste halfway through so the top pieces do not dry out.
Taste the butter mixture before you coat the crab and adjust salt, lemon, and spice.
Do not overcook the crab, or the meat turns rubbery and stringy.
Use plenty of napkins and a big bowl for shells so the table does not turn chaotic.
Serve extra lemon and a small bowl of warm butter on the side for dipping.

How to Make Oven-Roasted Dungeness Crab Recipe

Step 1: Prep the crab

Place the cooked Dungeness crab on a cutting board. If the fishmonger did not clean it, remove the top shell, gills, and innards, then rinse quickly and pat dry. Crack the claws and larger leg segments lightly with a crab cracker or the back of a knife so the butter can seep inside.

Cut each crab into 4 to 6 sections, depending on size, and keep the legs attached to the body pieces when possible. Pat everything dry again with paper towels so the seasoning sticks. Line a large rimmed baking sheet with parchment or foil and arrange the crab pieces in a single layer.

Step 2: Mix the garlic butter

In a small saucepan or microwave safe bowl, melt the butter with the olive oil. Add minced garlic, shallot, lemon zest, lemon juice, parsley, salt, pepper, red pepper flakes, Old Bay, and paprika. Whisk until everything combines and the mixture smells garlicky and bright.

Taste a tiny bit and adjust seasoning with more salt, lemon, or red pepper flakes. If you use Dijon or honey, whisk those in now. The mixture should taste slightly stronger than you want the final crab to taste, since the crab meat will mellow it.

Step 3: Coat the crab

Preheat your oven to 425°F. Pour about two thirds of the garlic butter mixture over the crab pieces on the baking sheet. Use tongs and your hands to toss and turn the pieces so the butter coats every surface.

Arrange the crab in a single layer again, with some of the thicker pieces toward the edges where the heat hits harder. Spoon some of the garlic bits on top of the exposed meat. Reserve the remaining garlic butter for basting and serving.

Step 4: Roast the crab

Place the baking sheet on the middle rack. Roast for 12 to 15 minutes, until the crab feels hot, the shells look deeper in color, and the garlic butter bubbles around the edges. At the halfway point, pull the pan out, spoon the hot butter from the pan over the crab, and drizzle on some of the reserved butter.

Return the pan to the oven and finish roasting. The crab should smell rich and garlicky, not burnt. If the garlic starts to brown too quickly, lower the heat to 400°F for the last few minutes.

Step 5: Finish and serve

Transfer the hot crab to a large platter or serve right in the roasting pan for a casual feel. Drizzle any remaining garlic butter over the top. Sprinkle with a little extra fresh parsley and a pinch of flaky salt if you like.

Serve with plenty of lemon wedges and a small bowl of warm butter on the side. Set out crab crackers, picks, and a big bowl for shells. Hand everyone a napkin and maybe a wet wipe, because things get gloriously messy.

Variations I've Tried

I sometimes add a spoonful of chili crisp to the butter mixture for a spicy, slightly crunchy version that hits all the savory notes. A ginger scallion twist also works nicely, with grated ginger, sliced green onions, soy sauce, and a touch of sesame oil in place of Old Bay and paprika. If I want a citrus heavy version, I swap part of the lemon with orange zest and juice, which gives the crab a slightly sweeter, bright flavor.

You can also add small parboiled potato wedges and corn pieces to the pan and toss them in the same garlic butter. They soak up the crab juices and turn into the best side dish. Just pre-cook the potatoes and corn so they only need that final roast.

How to Serve Oven-Roasted Dungeness Crab Recipe

Serve this Oven-Roasted Dungeness Crab Recipe with warm crusty bread, garlic bread, or steamed rice so you can soak up every drop of the garlicky butter. Add simple sides like a green salad, roasted vegetables, or coleslaw to balance the richness. Lemon wedges, extra melted butter, and a simple herb mayo or aioli on the side make the table feel special.

I like to set everything family style in the middle of the table so everyone reaches in and cracks crab together. That casual, slightly messy energy always turns dinner into a little event.

How to store

Cool leftovers to room temperature within 1 hour, then transfer the crab pieces to an airtight container and refrigerate for up to 2 days.
For longer storage, remove the meat from the shells, place it in a small container covered with a thin layer of melted butter, and freeze for up to 2 months.
Reheat in a covered baking dish at 325°F with a splash of water or extra butter until just warmed through, about 8 to 10 minutes, so the crab meat stays tender.
Avoid microwaving on high, since that can toughen the meat; if you use a microwave, heat on low in short bursts and cover the crab with a damp paper towel.