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Grilled Lettuces with Crème Fraîche and Avocado

This vibrant vegetarian starter reimagines the humble salad by introducing heat and smoke to crisp greens. Grilling romaine lettuce or bitter Treviso radicchio quickly caramelises the edges while maintaining a refreshing crunch, creating a sophisticated base for the rich toppings. It is a light yet indulgent dish that works beautifully as a seasonal appetiser or a side for Alfresco dining.

Combining creamy avocado and velvety crème fraîche, the recipe offers a wonderful contrast to the peppery mizuna and zesty lemon finish. This healthy dish is naturally gluten-free and relies on high-quality olive oil and sea salt to elevate the simple, fresh ingredients. Serve it immediately while the lettuce is still warm for the best balance of temperatures and textures.

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Ingredients for Grilled Lettuces with Crème Fraîche and Avocado

  • 2 cos lettuce hearts and/or large heads of Treviso radicchio, halved lengthwise

  • 3 tablespoons olive oil, divided, plus more

  • Kosher salt, freshly ground pepper

  • 1 cup mizuna or baby mustard greens

  • 1/2 cup crème fraîche

  • 1 avocado, cut into quarters

  • 2 tablespoons fresh lemon juice

  • Flaky sea salt (such as Maldon)

Prepare grill for medium-high heat. Brush cut sides of lettuce with a total of 2 tablespoons oil; season with kosher salt and pepper. Grill lettuce, cut side down, until lightly charred, about 2 minutes.

Toss mizuna with 1 tablespoon oil in a medium bowl; season with kosher salt.

Dollop crème fraîche on a platter and top with grilled lettuce and avocado; scatter mizuna over. Drizzle with lemon juice and more oil; season with sea salt and pepper.

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.

  • 28 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
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