The Irresistible Low-Carb Cheesy Shrimp Casserole Everyone’s Talking About
Looking for a dinner that’s comforting, low in carbs, and completely family-approved? This Low-Carb Cheesy Shrimp Casserole might be your new weeknight winner. It’s rich, creamy, protein-packed, and so easy to prepare that it works for both casual dinners and meal prep alike. Whether you follow a keto lifestyle or just love indulgent shrimp dishes, this casserole has a way of getting people to ask for seconds—and thirds.
Why This Recipe Works
- Low-Carb and Keto-Ready: No starchy fillers, just wholesome fats and protein
- Fast Prep: From stovetop to oven in under 30 minutes
- Family-Friendly: Even picky eaters love the creamy, cheesy layers
- Easy to Modify: Add veggies or adjust the spice level to suit your taste
Ingredients
To make this flavorful casserole, gather:
- 1 lb (450g) raw shrimp, peeled and deveined
- 1 tbsp butter or olive oil
- 1 small onion, finely chopped
- 2 cloves garlic, minced
- 1 cup heavy cream
- ½ cup cream cheese
- 1½ cups shredded mozzarella
- ½ cup grated Parmesan
- 1 tsp paprika
- Salt and pepper, to taste
- 1 tbsp lemon juice
- ½ tsp chili flakes (optional)
- Fresh parsley, chopped for garnish
How to Make It
1. Preheat and Prep
Set your oven to 375°F (190°C). Grease a casserole dish and set aside.
2. Cook the Aromatics
In a skillet over medium heat, melt the butter. Add chopped onions and cook until softened, about 5 minutes. Stir in the garlic and cook for another minute.
3. Sauté the Shrimp
Add the shrimp and cook for 2–3 minutes, just until they begin turning pink. Season with paprika, salt, pepper, and lemon juice. Don’t fully cook them—they’ll finish in the oven.
4. Make the Sauce
Reduce heat to low. Stir in heavy cream and cream cheese. Keep stirring until the cream cheese melts and the sauce thickens slightly. Add chili flakes if using.
5. Assemble
Transfer the shrimp and sauce to the prepared baking dish. Sprinkle mozzarella and Parmesan evenly over the top.
6. Bake
Bake for 15–20 minutes, or until bubbly and golden. Broil for the last 2 minutes for a browned top, but watch closely.
7. Garnish and Serve
Top with fresh parsley and serve immediately. This dish pairs perfectly with roasted vegetables or a light salad.
Tips for Success
- Using Pre-Cooked Shrimp? Add them at the end of the sauce stage to avoid overcooking.
- Add Vegetables: Sauté mushrooms, spinach, or zucchini with the onions for a veggie boost.
- Customize the Flavor: Add Cajun seasoning or hot sauce if you like spice.
- Dairy-Free? Use coconut cream and non-dairy cheese alternatives, keeping in mind the texture may vary slightly.
Nutritional Breakdown (Per Serving, Serves 4)
- Calories: ~450 kcal
- Protein: 35g
- Fat: 32g
- Net Carbs: 4g
This recipe is ideal for anyone following a ketogenic or low-carb plan, especially if you’re tracking macros.
What People Are Saying
“This is the only shrimp casserole that my 5-year-old will eat — and that says everything.”
— Maria K., home cook and mom of two
“I made this for a family dinner, and every single person went back for more. Absolutely delicious!”
— Jason T., keto enthusiast
What to Serve with It
- Garlic butter green beans
- Roasted Brussels sprouts
- A crisp side salad with vinaigrette
- Cauliflower rice or zucchini noodles
Storage and Meal Prep
- Refrigerate: Store leftovers in an airtight container for up to 3 days
- Reheat: Warm in the microwave or in a 300°F (150°C) oven until hot
- Freeze: Assemble ahead and freeze unbaked for up to a month. Bake directly from frozen (covered), then uncover for the final 10 minutes
If you’re craving something creamy, savory, and totally satisfying—without the carbs—this shrimp casserole is a must-try. With melty cheese, tender shrimp, and a rich sauce, it’s a comfort dish you’ll come back to again and again.
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