
Transform Brussels sprouts into an irresistible gratin that combines tender-crisp vegetables with rich, cheesy sauce. This recipe creates the perfect balance of earthy sprouts and nutty Gruyère cheese, all in one skillet for easy preparation and cleanup.
Through extensive testing, I discovered that proper cooking technique and quality cheese create the most satisfying results.
Essential Elements
Fresh Brussels sprouts
Quality Gruyère cheese
Fresh Parmesan
Heavy cream
Proper seasoning

Cast iron skillet
Creating Gratin Magic
Sprout Preparation Trim and halve carefully.
Initial Browning Sear until golden.
Proper Tenderizing Cook until tender-crisp.
Cheese Integration Add freshly grated varieties.
Sauce Building Create creamy consistency.
Perfect Baking Brown until bubbly.

Perfect Serving Ideas
Transform this gratin into a holiday showstopper by:
- Serving at Thanksgiving dinner
- Including in Christmas feast
- Pairing with roasted meats
- Adding to buffet spread
- Making for special occasions
Recipe Variations
Customize your gratin with different options:
- Try different cheese combinations
- Add bacon or pancetta
- Include additional herbs
- Adjust cream level
- Modify cooking time for texture preference
Storage Success
Keep your gratin fresh by storing in airtight container in refrigerator. While best served fresh, leftovers can be reheated gently in oven to maintain texture. The cheese sauce may separate slightly when reheated.
Professional Tips
- Use cast iron for best results
- Grate cheese fresh for better melting
- Don't overcook sprouts initially
- Watch browning carefully
- Season each stage properly

My journey with this Brussels sprouts gratin has evolved from simple side dish to creating the perfect holiday vegetable. Remember, great gratins combine proper technique with quality ingredients, creating sides that make vegetables the star of any meal.
Frequently Asked Questions
- → Best pan to use?
- Oven-proof skillet like cast iron works best.
- → How to prep sprouts?
- Trim ends and halve lengthwise.
- → Make it ahead?
- Best served immediately while cheese is melted.
- → Extra brown top?
- Broil briefly at end, watch carefully.
- → No oven skillet?
- Transfer to baking dish before cheese step.