
Caramelised French Onion Tart
by katplaystennis • 2026
Why some badges are missing
- Not vegan: Butter → try dairy-free butter
- Not gluten-free: Plain Flour → try gluten-free plain flour
- Not dairy-free: Butter → try dairy-free butter
- Not egg-free: Egg → try ground flaxseed and water (1 tbsp ground flaxseed + 3 tbsp water per egg, rested 5 min)
- Not low-FODMAP: Plain Flour → try gluten-free plain flour
- Not low-GI / diabetic-friendly: Soft brown sugar → try granulated sweetener (such as erythritol)
- Not kidney-friendly: Salt → try salt-free herb seasoning (or lemon zest and black pepper)
Based on listed ingredients — always check labels for allergies.
Prep
15m
Cook
30m
Serves
Rating
—
Total time · 45m
Ingredients
Kitchen HelpShopping list
25 g Butter — (1 oz)
4 medium Spanish Onions — thinly sliced
1 tsp Soft brown sugar
2 Tbsp Plain Flour
1 Tbsp Cognac — [Optional]
1 Egg
2 Egg yolks
60 ml Double cream — (4 Tbsp)
Salt — to taste
Pepper — to taste
Tools
- · pan
- · bowl
- · oven
Instructions
Step by step
- 1
Melt butter in pan.
- 2
Fry onions very gently for , stirring frequently.
- 3
Stir in sugar. Cook for .
- 4
Sprinkle with flour and cook for , stirring.
- 5
Transfer to bowl and add brandy.
- 6
Beat the whole egg and egg yolks.
- 7
Then stir into onions with cream and salt & pepper to taste.
- 8
Pour in and bake for 30- at 190°C.
- 9
Leave for .
Per serving
serves 4AI estimate only — not medical advice. Figures are approximations based on standard ingredient data and may vary by brand, portion size and preparation. Always double-check if cooking for allergies, diabetes, or strict dietary needs.
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Audio reminiscence
A short voice memory — Mum reading the recipe out, a grandparent sharing the story behind it, a tip whispered while cooking. Up to ~60 seconds.
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How this recipe has changed
Edit on 2026-07-20
Edited 7/20/2026, 6:43:22 PM
Edit on 2026-08-10
Edited 8/10/2026, 4:18:44 PM



