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Cheesy Brussels Sprouts Casserole
5 from 15 votes

Cheesy Brussels Sprouts Casserole

This Cheesy Brussels Sprouts Casserole offers tender halved Brussels sprouts coated in a creamy mixture of sour cream, Dijon mustard, garlic, and Gruyere cheese, topped with a crunchy Parmesan and crushed pork rinds topping. The casserole is baked until golden and bubbly, combining creamy, savory, and crunchy textures. It serves as a rich side dish highlighting the nutty flavor of browned sprouts and melted cheese.

Prep Time
15 mins
Cook Time
15 mins
Total Time
30 mins
Servings: 4 servings
Calories: 270 kcal
Course: Side Dish
Cuisine: French

Ingredients

  • olive oil spray form
  • 1 pound Brussels sprouts outer leaves and stems removed, halved
  • ¾ cup sour cream
  • 1 teaspoon Dijon mustard
  • 1 teaspoon kosher salt or ½ teaspoon of any other salt, including Morton kosher salt, Diamond Crystal brand
  • ¼ teaspoon black pepper
  • 2 teaspoons garlic minced, fresh
  • ½ cup gruyere cheese grated
  • ¼ cup pork rinds finely crushed
  • ¼ cup parmesan grated

Instructions

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  1. Preheat the oven to 400°F. Spray a 2-quart baking dish with olive oil.
  2. Place the Brussels sprouts in a large microwave-safe bowl. Add ¼ cup of water. Cover and microwave on high until tender-crisp, about 6 minutes. Drain the Brussels sprouts and return them to the bowl.
  3. In a small bowl, combine the sour cream, mustard, kosher salt, black pepper, garlic, and Gruyere.
  4. Add the cheesy sour cream mixture to the Brussels sprouts and toss to coat.
  5. Transfer the coated Brussels sprouts to the prepared baking dish. Mix together the grated Parmesan and pork panko and sprinkle them on top. Lightly spray the casserole with olive oil.
  6. Bake the casserole until golden brown and bubbly around the edges, about 15 minutes. Serve immediately. 

Notes

  • Use fresh Brussels sprouts for best results; if using frozen, thaw and drain well before halving.
  • Substitute sour cream with mayonnaise or a blend of both for different creamy flavors.
  • Gruyere cheese can be replaced with cheddar or provolone to alter the cheese profile.
  • Crushed pork rinds create a low-carb topping, but panko breadcrumbs work if carbs are not restricted.
  • Store leftovers in an airtight container in the fridge for 3-4 days; freeze tightly wrapped for longer storage and reheat gradually to prevent dish damage.

Nutrition Information

Serving 0.25recipe Calories 270kcal (14%) Carbohydrates 11g (4%) Protein 13g (26%) Fat 20g (31%) Saturated Fat 10g (50%) Sodium 499mg (21%) Fiber 4g (16%) Sugar 3g (6%)

Nutrition Facts

Serving: 4 servings

Amount Per Serving

Calories 270

% Daily Value*

Serving 0.25recipe
Calories 270kcal 14%
Carbohydrates 11g 4%
Protein 13g 26%
Fat 20g 31%
Saturated Fat 10g 50%
Sodium 499mg 21%
Fiber 4g 16%
Sugar 3g 6%

* Percent Daily Values are based on a 2,000 calorie diet.