Onion, Walnut & Mushroom Tarte Tatin
This savory tart is a delightful combination of sweet caramelized onions, earthy mushrooms, crunchy walnuts, and creamy blue cheese, all encased in a flaky puff pastry crust. Each bite is a medley of flavors and textures, making it a perfect dish for a cozy gathering or a special meal.
— Constant Cookbook
Ingredients
- 4 onions
- 3 tbsp olive oil
- 200g chestnut mushrooms , halved if large
- 2 tsp light muscovado sugar
- 50g walnuts
- 100g blue cheese , such as Stilton, or vegetarian blue cheese
- 250g puff pastry , defrost if frozen
Instructions
- Heat oven to 200C/180C fan/gas 6. Peel the onions and cut each into 6 wedges through the root. Heat the oil in a large pan, add onions, then gently fry for 20 mins until softened and lightly coloured.
- Add the mushrooms, sugar, salt and pepper and give it a good stir. Gently cook, stirring now and then for a further 5 mins. Stir in the walnuts. Line the base of a 20-23cm sandwich cake tin (not loose-based) with baking parchment. Spoon over the onion mixture and press it down lightly. Crumble the cheese over.
- Roll out the pastry and trim to a round, about 5cm larger than the tin. Put the pastry over the filling and tuck in the ends. Bake for 35-40 mins until the pastry is crisp and golden. Cool for 5 mins in the tin, then turn out onto a flat plate and cut into wedges. Serve with a green salad.
Cook Time
50M
Prep Time
PT20M
Yield
Serves 4
Nutrition
- Calories: 546 calories
- Fat Content: 43 grams fat
- Saturated Fat Content: 16 grams saturated fat
- Carbohydrate Content: 30 grams carbohydrates
- Sugar Content: 9 grams sugar
- Fiber Content: 3 grams fiber
- Protein Content: 13 grams protein
- Sodium Content: 1.43 milligram of sodium
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