Zero PointRecipeWW DietWW Recipes

Slimming Lemon Mousse

Updated on 4 min read
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Light, tangy, and syn-friendly — this no-bake lemon mousse is your new go-to summer treat. Just ½ syn per serving (or even syn-free)!

📋 Recipe Card

🍽️ Servings & Timing:

  • Prep Time: 10 minutes
  • Chill Time: 2 hours (minimum)
  • Total Time: 2 hours 10 minutes
  • Yield: 4 servings
  • Syns: 0.5 per serving (depending on yogurt used)
  • Dietary Tags: Slimming World Friendly, Low Syn, Gluten-Free, No-Bake, High Protein

🛒 Ingredients Checklist:

  • Fat-free lemon yogurt (Müller Light or equivalent)
  • Sugar-free lemon jelly crystals (½ sachet)
  • Boiling water
  • Fat-free fromage frais or quark
  • Zest of 1 lemon (optional, for extra zing)
  • Sweetener (optional, to taste)
  • Fresh lemon slices or mint (for garnish)

🔪 Instructions:

  1. Dissolve Jelly
    Dissolve the jelly crystals in 125ml boiling water. Stir until fully melted and slightly cooled.
  2. Mix with Yogurt & Fromage Frais
    In a bowl, combine the lemon yogurt, fromage frais/quark, and lemon zest. Slowly whisk in the cooled jelly.
  3. Blend Until Smooth
    Whisk the mixture until smooth and slightly fluffy. Taste and adjust sweetness with sweetener if needed.
  4. Pour into Pots
    Divide the mousse into 4 small dessert glasses or ramekins.
  5. Chill
    Refrigerate for at least 2 hours or until fully set.
  6. Garnish & Serve
    Top with lemon zest, a slice of lemon, or fresh mint before serving.

📝 Additional Notes:

  • Choose fat-free yogurt that’s syn-free on plan (check latest SW updates).
  • For a more intense citrus flavor, add lemon extract or extra zest.
  • Want it creamier? Use quark for a cheesecake-like texture.

📸 Hero Image

A fluffy, chilled lemon mousse topped with fresh raspberries and a dusting of sweetener – light, creamy, and sunshine-bright.

✨ Intro

This Slimming World Lemon Mousse is the definition of a summer savior — refreshingly tangy, satisfyingly creamy, and incredibly easy to make. Best of all? It’s low syn or even completely syn-free, depending on your ingredients.

“OMG! Big thanks to whoever shared this… I’m hooked!” — and once you try it, you will be too.

👨‍🍳 Step-by-Step Cooking Guide

🍋 Step 1: Dissolve Jelly

Boil water and stir in the jelly crystals until fully dissolved. Let it cool slightly before mixing to avoid curdling the yogurt.

Tip: Only use half the sachet and water — this keeps the mousse thick and luscious.

🥄 Step 2: Combine Yogurt & Fromage Frais

In a mixing bowl, stir together your lemon yogurt and fromage frais (or quark). Add lemon zest if using.

🧁 Step 3: Add Jelly & Whisk

Gradually whisk in the cooled jelly mixture until completely smooth. The mixture should begin to look glossy and airy.

Optional: Use an electric whisk for a fluffier texture.

🥣 Step 4: Pour & Chill

Spoon or pour the mousse into ramekins or dessert pots. Cover with clingfilm and refrigerate for at least 2 hours, preferably longer.

🍃 Step 5: Garnish & Serve

Just before serving, top with a twist of lemon zest, a sprig of mint, or fresh fruit like raspberries for a classy finish.

🧂 Ingredient & Substitution Tips

Ingredient Highlights:

  • Lemon Yogurt: Use fat-free, syn-free yogurt (check your plan).
  • Jelly Crystals: Sugar-free is essential to keep syns low.
  • Fromage Frais or Quark: Adds body and creaminess without syns.
  • Lemon Zest: Optional but elevates the freshness.

Substitutions:

  • Non-lemon yogurt? Use vanilla or fat-free natural and boost flavor with lemon extract.
  • Vegan option: Use plant-based yogurt and agar agar instead of jelly crystals (syns may vary).

🧁 Recipe Variations & Serving Suggestions

Flavor Variations:

  • Raspberry Lemon Mousse: Add mashed raspberries before chilling.
  • Lemon Cheesecake Cups: Crush 1 low-syn biscuit (like a light digestive) into the bottom of each pot for a dessert feel.
  • Orange Creamsicle: Swap lemon for orange sugar-free jelly and vanilla yogurt.

Serving Ideas:

  • Serve with fresh berries.
  • Garnish with a dollop of fat-free whipped topping.
  • Layer with a crumbled Hi-Fi bar for a trifle-style dessert.

🧊 Storage & Make-Ahead Tips

Fridge Storage:

  • Keep chilled in the fridge, covered, for up to 3 days.
  • Great for meal-prep style desserts!

Freezer Friendly?

  • Yes — freeze in individual pots. Defrost overnight in the fridge. Texture may be slightly softer.

🔢 Nutrition Per Serving (Estimate)

Based on 4 servings using syn-free lemon yogurt and sugar-free jelly.

  • Calories: ~80 kcal
  • Protein: 7g
  • Carbs: 6g
  • Fat: 0.5g
  • Syns: 0.5 or less per portion

❓ FAQs

Q: Can I make this mousse without jelly?
A: The jelly helps it set. You can use gelatine or agar agar as an alternative.

Q: Is quark better than fromage frais?
A: Quark gives a thicker, creamier texture — closer to cheesecake.

Q: Can I double the recipe?
A: Absolutely! Just double all ingredients and use a larger bowl.

Q: Is this freezer-friendly?
A: Yes — freeze individually and thaw overnight.

💬 Final Thoughts

This low syn lemon mousse is everything: bright, sweet, airy, and guilt-free. Whether you’re entertaining or just need a fridge-friendly treat, this hits the spot every time — especially in summer!

📣 Call to Action

Have you tried this recipe?
Share your thoughts in the comments or tag me on Instagram with #SlimmingLemonMousse — I’d love to see your creations!

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