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White Sauce

This vibrant and creamy herb white sauce is a versatile addition to any vegetarian repertoire. Bursting with the fresh flavours of basil, chives, and fennel, it offers a sophisticated twist on a classic cream sauce. The addition of zesty lemon and a hint of chilli provides a bright, savoury balance that cuts through the richness of the double cream, making it an excellent accompaniment for seasonal vegetables or fresh pasta.

Quick to prepare and requiring no cooking, this sauce is ideal for busy weeknights when you want a homemade touch without the fuss. It can be made up to three days in advance, allowing the flavours to develop beautifully in the fridge. Simply whisk or pulse before serving to restore its velvety texture, then drizzle over grilled halloumi or roasted heritage carrots for a simple yet elegant meal.

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Ingredients for White Sauce

  • 2 cups double cream

  • 1/2 cup chopped basil

  • 1/4 cup chopped fennel fronds

  • 1/4 cup chopped chives

  • 1 1/2 teaspoons finely grated lemon zest

  • 2 tablespoons fresh lemon juice

  • 1 small garlic clove, finely grated

  • Pinch of crushed red pepper flakes

  • Kosher salt, freshly ground pepper

Purée cream, basil, fennel, chives, lemon zest, lemon juice, garlic, and red pepper flakes in a food processor or with an immersion blender until thick and creamy, 15–30 seconds; season with salt and pepper.

Cream can be made 3 days ahead. Cover and chill.

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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