How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Dungeness Crab Gratin?

You need 11 ingredients. The key ingredients include: 1 tablespoon olive oil, 1 small yellow onion, diced, 1 small lemon, zested, 2 1/2 pounds Dungeness crabmeat, and more.

Is Dungeness Crab Gratin suitable as seafood?

Yes, Dungeness Crab Gratin falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Dungeness Crab Gratin?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Dungeness Crab Gratin Recipe

Name: Dungeness Crab Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 tablespoon olive oil; 1 small yellow onion, diced; 1 small lemon, zested; 2 1/2 pounds Dungeness crabmeat; 1/2 cup creme fraiche; 1 cup heavy cream; 1 1/2 teaspoons fresh thyme leaves; 1/2 teaspoon crushed red pepper; Salt and black pepper; 8 ounces grated white Cheddar; Crackers or toast

Try this homemade Dungeness Crab Gratin recipe the whole family will love. Made with olive oil, yellow onion, lemon and crabmeat. Easy step-by-step inst…

This Dungeness Crab Gratin relies on simple, everyday ingredients such as olive oil, small yellow onion, diced, small lemon, zested and dungeness crabmeat. It comes together quickly and makes 4 servings, at about 479 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Dungeness Crab Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions