If you’re craving a rich, comforting dish that feels like a warm hug on a plate, then you absolutely must try this Crab Casserole with Swiss and Cheddar Cheese Recipe. It’s a beautifully balanced medley of creamy textures, zesty spices, and layers of cheese that melt into a luscious crab filling bursting with flavor. Every bite showcases the sweet taste of crab, elevated by the nutty Swiss and sharp cheddar cheeses, making it a crowd-pleaser perfect for weeknight dinners or special occasions. This recipe brings a delightful twist to traditional casseroles and is incredibly easy to prepare, promising satisfaction with minimal fuss.

Ingredients You’ll Need
This recipe calls for simple, wholesome ingredients that each play a crucial role in creating the dish’s irresistible flavor and texture. From the creamy cheeses to the fresh veggies and savory seasonings, every component is essential for that perfect balance you’ll love.
- Swiss cheese, shredded: Adds a smooth, nutty flavor that melts beautifully into the casserole.
- Cream cheese, softened: Provides a rich, creamy base that keeps the filling luscious and smooth.
- Mayonnaise: Contributes moisture and tang, helping to bind everything together.
- Sour cream: Offers creaminess with a subtle tang to balance the richness.
- Onion, minced: Adds a mild sweetness and depth of flavor.
- Green pepper, minced: Brings a fresh, slightly crisp bite to contrast the creamy texture.
- Green onions, chopped: Provide a sharp, fresh onion flavor that brightens up the dish.
- Garlic powder: Delivers a savory warmth that enhances the overall seasoning.
- Mustard powder: Adds subtle zing and complexity.
- Old Bay seasoning: The classic blend perfect for seafood dishes, offering a perfect hint of spice and herbaceous notes.
- Imitation crab meat, flake style: The star protein, providing tender, sweet crab flavor.
- Cheddar cheese, shredded: Offers sharpness and richness that contrasts nicely with the Swiss cheese.
- Chives, finely chopped: A fresh, mild onion flavor and pretty green touch for the finished dish.
- Steamed rice or pasta: For serving, making it a complete, comforting meal.
How to Make Crab Casserole with Swiss and Cheddar Cheese Recipe
Step 1: Preheat and Prepare Your Dish
Start by preheating your oven to 350°F (175°C). While it warms up, lightly grease your casserole dish to ensure your creamy crab masterpiece doesn’t stick and comes out perfectly golden.
Step 2: Mix the Creamy Base
In a large bowl, combine the softened cream cheese, mayonnaise, and sour cream. Use a spoon or mixer to blend until you have a smooth, creamy base that will cradle all your other ingredients perfectly.
Step 3: Add Fresh Vegetables and Seasonings
Next, stir in the minced onion, green pepper, chopped green onions, garlic powder, mustard powder, and Old Bay seasoning. These bring layers of flavor, depth, and a subtle kick to your dish that will keep everyone coming back for more.
Step 4: Fold in the Crab and Cheeses
Gently fold in the imitation crab meat, Swiss cheese, cheddar cheese, and chopped chives, taking care not to break the crab flakes too much. This mix promises a satisfying texture and amazing cheesy goodness in every bite.
Step 5: Bake to Perfection
Transfer your crab mixture into the prepared casserole dish, spreading it evenly. Bake uncovered for 25 to 30 minutes, until the top is bubbly and slightly golden. The aroma alone will have your mouth watering as the cheese melts and mingles with the crab.
Step 6: Serve Warm and Enjoy
Once baked, serve this Crab Casserole with Swiss and Cheddar Cheese Recipe hot over a bed of steamed rice or pasta. It’s ready to be enjoyed as a hearty meal that feels both comforting and special.
How to Serve Crab Casserole with Swiss and Cheddar Cheese Recipe

Garnishes
Adding a sprinkle of fresh chives or finely chopped parsley over the top just before serving gives a lovely pop of color and fresh flavor. A squeeze of lemon juice or a few lemon wedges on the side can also brighten the richness of the casserole beautifully.
Side Dishes
This casserole pairs wonderfully with simple steamed vegetables, such as broccoli or green beans, to add some crunch and vibrancy to the meal. A crisp green salad with a light vinaigrette also balances out the creamy cheese and crab flavors perfectly.
Creative Ways to Present
For a more elegant presentation, try spooning the crab casserole into individual ramekins before baking. This makes serving easier and adds a personal touch if you’re entertaining guests. Another fun idea is to nestle the casserole over a bed of garlic buttered pasta for a decadent seafood pasta bake experience.
Make Ahead and Storage
Storing Leftovers
Once cooled, transfer leftovers to an airtight container and store in the refrigerator. The flavors will continue to meld, making for an even tastier next-day meal that you can easily reheat for a quick lunch or dinner.
Freezing
You can freeze the casserole in a freezer-safe dish or container for up to 2 months. Just remember to cover it tightly with plastic wrap and foil to prevent freezer burn. Thaw overnight in the fridge before reheating for the best texture.
Reheating
To reheat, pop the casserole in a preheated oven at 350°F until heated through and bubbly again, usually about 15 to 20 minutes. Avoid the microwave if possible to keep the texture creamy and prevent the cheese from separating.
FAQs
Can I use real crab instead of imitation crab meat?
Absolutely! Fresh or canned real crab will elevate the dish even more with an authentic seafood taste; just adjust the amount and texture to your liking. The recipe works wonderfully either way.
Is this casserole spicy because of the Old Bay seasoning?
Old Bay seasoning has a gentle warmth and a fragrant blend of spices, but it is not overly spicy. It adds delicious depth without overwhelming heat, making the casserole accessible for most palates.
Can this recipe be made dairy-free?
You could try substituting cream cheese, Swiss, and cheddar with dairy-free alternatives, but keep in mind the casserole’s rich creaminess depends heavily on these cheeses. Experimenting with alternatives may change the texture and flavor.
What can I serve instead of rice or pasta?
Cauliflower rice, quinoa, or even a thick slice of toasted rustic bread would work very well to soak up the cheesy crab sauce and make the meal feel balanced and satisfying.
How do I prevent the casserole from drying out?
Ensure you don’t overbake it; 25 to 30 minutes until bubbly and golden is perfect. Covering it loosely with foil if it starts browning too fast can help maintain moisture.
Final Thoughts
This Crab Casserole with Swiss and Cheddar Cheese Recipe truly is a gem worth adding to your recipe collection. It offers that dreamy creamy comfort food experience with fresh, seafood flavors that feel special without requiring complicated steps. Whether for family dinners or impressing friends, it’s a winner every time. Give it a try—you’ll soon find it becoming a beloved favorite in your kitchen!
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Crab Casserole with Swiss and Cheddar Cheese Recipe
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 4 servings
- Category: Casserole
- Method: Baking
- Cuisine: American
Description
This Crab Casserole is a creamy, cheesy baked dish featuring imitation crab meat blended with a flavorful mix of cream cheese, mayonnaise, and a medley of seasonings. Baked to bubbly perfection and topped with shredded cheeses and fresh chives, it’s a comforting main course served best over steamed rice or pasta.
Ingredients
Cheese and Dairy
- 1 cup Swiss cheese, shredded
- 4 ounces cream cheese, softened
- â…“ cup mayonnaise
- ¼ cup sour cream
- ½ cup cheddar cheese, shredded
Vegetables and Herbs
- 1 tablespoon onion, minced
- 1 tablespoon green pepper, minced
- 3 green onions, chopped
- 1 tablespoon chives, finely chopped
Seasonings
- ½ teaspoon garlic powder
- ½ teaspoon mustard powder
- ½ teaspoon Old Bay seasoning
Seafood
- 14 ounces imitation crab meat, flake style (Trans-Ocean Crab Classic recommended)
For Serving
- Steamed rice or pasta, for serving
Instructions
- Preheat Oven: Preheat your oven to 350°F (175°C). Lightly grease a casserole dish to prevent sticking and ensure easy serving.
- Mix Base: In a large bowl, combine the softened cream cheese, mayonnaise, and sour cream. Whisk or stir until the mixture is smooth and well blended.
- Add Flavorings: Stir in the minced onion, minced green pepper, chopped green onions, garlic powder, mustard powder, and Old Bay seasoning. Mix these ingredients thoroughly to distribute the flavors evenly throughout the base.
- Add Crab and Cheese: Gently fold in the flaked imitation crab meat, shredded Swiss cheese, shredded cheddar cheese, and finely chopped chives. Be careful to combine everything without breaking up the crab flakes too much.
- Bake: Transfer the mixed casserole ingredients into the prepared dish. Bake uncovered in the preheated oven for 25–30 minutes until the mixture is bubbly and the top is slightly golden brown.
- Serve: Remove from the oven and serve warm over your choice of steamed rice or pasta for a hearty and comforting meal.
Notes
- Ensure the cream cheese is properly softened for easier mixing and a smoother texture.
- Old Bay seasoning adds a classic seafood flavor but can be adjusted to taste if preferred milder.
- You can substitute imitation crab with real crab meat for a more authentic flavor, but adjust cooking time accordingly.
- Leftovers can be stored in the refrigerator for up to 3 days and reheated in the oven.
- Adding a breadcrumb topping before baking can provide a crunchy texture if desired.

