Skip to main content

Cauliflower and Brussels Sprout Gratin with Pine Nut-Breadcrumb Topping

This cauliflower and Brussels sprout gratin offers a sophisticated twist on classic winter comfort food. The combination of tender seasonal vegetables, silky sage-infused cream and a sharp Parmesan base creates a deeply savoury flavour profile that elevates the humble sprout. It is the golden, textured topping of toasted pine nuts and crispy breadcrumbs that provides the perfect contrast to the rich, bubbling sauce beneath.

As a versatile vegetarian dish, this gratin serves as a show-stopping side for a traditional Sunday roast or a decadent festive lunch. The recipe is also conveniently make-ahead friendly, allowing you to prepare the components a day in advance. Whether you are looking to brighten up a midweek meal or impress guests at a dinner party, this homemade bake is a reliable crowd-pleaser.

Continue reading below

Ingredients for Cauliflower and Brussels Sprout Gratin with Pine Nut-Breadcrumb Topping

  • 675g brussels sprouts, trimmed, quartered lengthwise through core

  • 1 1 1/2-to 800g head of cauliflower, trimmed, cut into small florets

  • 2 3/4 cups double cream

  • 120ml chopped shallots

  • 1 tablespoon chopped fresh sage

  • 5 1/2 tablespoons olive oil

  • 120ml plain dry breadcrumbs

  • 60g pine nuts, lightly toasted

  • 2 tablespoons chopped fresh Italian parsley

  • 3 cups grated Parmesan cheese, divided

How to make Cauliflower and Brussels Sprout Gratin with Pine Nut-Breadcrumb Topping

Fill large bowl with ice and cold water. Cook brussels sprouts in large pot of generously salted boiling water 2 minutes. Add cauliflower to same pot; cook until vegetables are crisp-tender, about 3 minutes longer. Drain. Transfer vegetables to bowl of ice water to cool. Drain well.

Combine cream, shallots, and sage in large saucepan. Bring to boil. Reduce heat; simmer until mixture is reduced to 1575g , about 10 minutes. Season with salt. Remove from heat. Cool slightly.

Heat oil in large nonstick skillet over medium heat. Add breadcrumbs; stir until beginning to brown, about 2 minutes. Transfer to bowl; cool. Stir in pine nuts and parsley. Season with salt and pepper.

Butter 13x9x2-inch glass baking dish; arrange half of vegetables in dish. Sprinkle with salt and pepper, then 230g Parmesan. Arrange remaining vegetables evenly over, then sprinkle with remaining 350ml Parmesan. Pour cream mixture evenly over. DO AHEAD: Breadcrumb topping and gratin can be made 1 day ahead. Cover separately and chill. Bring to room temperature before continuing.

Preheat oven to 191°C. Cover gratin with foil. Bake covered 40 minutes. Uncover; sprinkle breadcrumb topping over and bake uncovered 15 minutes longer.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Article history

The information on this page is peer reviewed by qualified clinicians.

  • 16 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
flu eligibility checker

Ask, share, connect.

Browse discussions, ask questions, and share experiences across hundreds of health topics.

symptom checker

Feeling unwell?

Assess your symptoms online for free

Sign up to the Patient newsletter

Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.

Please enter a valid email address

By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.