Instructions
- Preheat oven to 350°F (175°C). Cook macaroni according to package directions. Drain and set aside.
- Melt butter in a saucepan over medium heat. Whisk in flour and cook 1-2 minutes until bubbly. Slowly whisk in milk and cream; cook, whisking constantly, until thickened (5-7 minutes).
- Remove from heat; stir in cheddar, Gruyère, and Parmesan until melted. Stir in Dijon mustard, cayenne (if using), salt, and pepper.
- Combine macaroni and cheese sauce. Gently fold in lobster, crab, and shrimp.
- Pour into a greased 9×13 inch baking dish.
- Combine panko, melted butter, and Parmesan; sprinkle over mac and cheese.
- Bake 25-30 minutes, or until golden brown and bubbly. Cool 5-10 minutes before serving.
- Garnish with parsley (optional) and enjoy!
Cooking Notes and Tips
- Ensure seafood is fully cooked before adding.
- Feel free to adjust cheese types to your preference.
- Use any short pasta that holds sauce well.
- Assemble the mac and cheese a day ahead; refrigerate and add 5-10 minutes to bake time.
Variations
- Spicy: Add 1-2 teaspoons hot sauce or more cayenne pepper.
- Garlic Butter Topping: Add minced garlic to the melted butter.
- Vegetable Addition: Add 1 cup sautéed spinach, mushrooms, or bell peppers.
Frequently Asked Questions (FAQs)
1. Can I use frozen seafood?
Yes, thaw completely and pat dry before adding.
2. How do I store leftovers?
Refrigerate in an airtight container up to 3 days. Reheat in the oven or microwave.
3. Can I freeze this mac and cheese?
Yes, freeze before baking. Thaw overnight before baking.
4. What can I serve with it?
A green salad, roasted vegetables, or garlic bread pair well.

This Lobster, Crab, and Shrimp Macaroni and Cheese is a truly special treat! Enjoy!
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