The Creamiest Crab Casserole You’ll Ever Try

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Golden, bubbling, and packed with luscious flavor—this Crab Casserole is the perfect comfort food with a coastal twist. Imagine tender flakes of crab meat folded into a silky cream sauce, topped with a crisp, buttery breadcrumb crust that adds the perfect crunch. Whether you’re planning a cozy family dinner, hosting guests for a seafood night, or looking to impress at a potluck, this dish brings warmth and elegance to the table. The rich flavors and textures are balanced with subtle seasoning and finished with a pop of fresh chives to bring it all together.

What makes this crab casserole stand out is its simplicity and versatility. It’s easy to prepare, yet the result feels gourmet. The creamy base pairs beautifully with the sweet, delicate crab, and it bakes up into a dish that’s both hearty and elegant. Serve it with a light salad or crusty bread, and you’ve got a complete meal that’s as fitting for weeknight comfort as it is for special occasions.

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Ingredients for this Crab Casserole

• 1 lb lump crab meat (drained and picked over for shells)
• 8 oz cream cheese, softened
• ½ cup mayonnaise
• ½ cup sour cream
• 1 cup shredded mozzarella or sharp white cheddar cheese
• 1 tsp Old Bay seasoning
• ½ tsp garlic powder
• ¼ tsp black pepper
• 1 tbsp lemon juice
• 2 tbsp chopped green onions (plus more for garnish)
• 1 cup crushed buttery crackers or breadcrumbs
• 2 tbsp melted butter

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Step 1: Prepare the Base

Preheat your oven to 375°F (190°C). In a large mixing bowl, combine the softened cream cheese, mayonnaise, and sour cream. Mix until smooth and creamy. This trio creates the rich, velvety base that binds all the flavors together.

Step 2: Season and Flavor

Add the lemon juice, Old Bay seasoning, garlic powder, black pepper, and chopped green onions into the cream mixture. Stir well to incorporate all the spices evenly. This is where the magic starts—bright citrus and savory seasoning elevate the creamy blend.

Step 3: Fold in the Crab

Gently fold in the lump crab meat and shredded cheese. Be careful not to break up the crab too much; you want generous chunks throughout the dish for a satisfying texture. The cheese will melt into the base, adding a savory depth that complements the crab beautifully.

Step 4: Assemble the Casserole

Transfer the mixture into a greased baking dish (about 9-inch square or medium oval). Smooth the top with a spatula so it bakes evenly.

Step 5: Add the Crunch

In a small bowl, combine the crushed crackers or breadcrumbs with the melted butter. Sprinkle this mixture evenly over the top of the casserole. This will bake into a golden crust that adds an irresistible crunch to every bite.

Step 6: Bake to Perfection

Place the dish in the preheated oven and bake for 25–30 minutes, or until the top is golden brown and the edges are bubbling.

Step 7: Garnish and Serve

Remove the casserole from the oven and let it sit for 5 minutes. Sprinkle additional green onions on top for a burst of freshness and color. Serve warm with toasted bread, salad, or enjoy it as a standalone star!

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Storage Instructions

To store leftover Crab Casserole, allow it to cool to room temperature first. Then:

• Refrigerator: Transfer it to an airtight container or cover the baking dish tightly with plastic wrap or foil. It will keep well in the fridge for up to 3 days.
• Freezer: For longer storage, portion the casserole into freezer-safe containers. It can be frozen for up to 2 months. Thaw in the fridge overnight before reheating.
• Reheating: Warm in a 350°F (175°C) oven for 15–20 minutes or until heated through. You can also microwave individual portions for 1–2 minutes, though the topping may lose some of its crunch.

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Estimated Nutrition (per serving – based on 6 servings)

• Calories: 420
• Protein: 22g
• Fat: 34g
• Carbohydrates: 9g
• Fiber: 0.5g
• Sugar: 2g
• Cholesterol: 105mg
• Sodium: 680mg

Nutritional values are approximate and can vary depending on ingredient brands and portion sizes.

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Frequently Asked Questions

What type of crab meat works best for this recipe?

Lump crab meat is ideal for its tender texture and sweet flavor, but you can also use claw meat or imitation crab if you’re on a budget.

Can I make this crab casserole ahead of time?

Absolutely! Assemble everything up to the breadcrumb topping, cover tightly, and refrigerate. Add the topping just before baking.

Is there a dairy-free version?

Yes! Use dairy-free cream cheese, sour cream, and vegan mayo. Replace the cheese with a plant-based alternative.

Can I use canned crab meat?

Yes, just be sure to drain it well and check for any bits of shell.

What sides go well with this casserole?

Fresh salads, roasted vegetables, garlic bread, or even rice work beautifully alongside it.

How do I make the topping extra crispy?

Broil the casserole for the last 1–2 minutes of baking—just keep an eye on it so it doesn’t burn.

Can I add veggies to this dish?

Definitely! Chopped spinach, artichokes, or sautéed mushrooms blend in nicely without overpowering the crab.

Is this recipe gluten-free?

It can be! Use gluten-free breadcrumbs or crackers for the topping and ensure all other ingredients are certified gluten-free.

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