Caramelised Onion Tart
A delightful tart with sweet caramelised onions, perfect for a light meal or a savoury snack.
- Total time
- 45min
- 20 prep, 25 cook
- Per serving
- 1019kcal
- 14 g protein
- Difficulty
- Moderate
- Ingredients
- £2.10
- average cost
- Vegetarian
- Pescatarian

Nutrition per serving
This Caramelised Onion Tart recipe contains 1019 calories per serving, making it a hearty meal option. Each serving provides 14g of protein, 53g of carbohydrates, and 83g of fat, making it a balanced meal.
1019kcal
Protein14g6% of calories
Carbs53g21% of calories
Fat83g74% of calories
- Fibre
- 4g
- Sugar
- 12g
- Saturated fat
- 41.7g
- Salt
- 1.5g
Ingredients
Servings
Method
0 of 9 done- Preheat the oven to 200┬░C (180┬░C fan).
- Roll out the puff pastry sheet on a lightly floured surface and place it on a baking tray lined with parchment paper.
- Peel and thinly slice the onion.
- In a frying pan, heat the butter and olive oil over medium heat. Add the sliced onions and cook gently for about 15 minutes, stirring occasionally, until they are golden brown and caramelised.
- Add the balsamic vinegar and fresh thyme to the onions, cook for another 2 minutes. Season with a pinch of salt and black pepper, then remove from the heat.
- Spread the caramelised onions evenly over the puff pastry sheet, leaving a small border around the edges.
- In a small bowl, beat the egg and milk together. Brush the edges of the puff pastry with the egg wash.
- Bake the tart in the preheated oven for 20-25 minutes, until the pastry is golden and crisp.
- Remove the tart from the oven and let it cool slightly before serving.
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Caramelised Onion Tart: questions
- How long does it take to make Caramelised Onion Tart?
- This recipe takes 45 minutes in total - 20 minutes to prepare and 25 minutes to cook.
- Is Caramelised Onion Tart suitable for meal prep?
- Caramelised Onion Tart is a moderate-level recipe that's great for lunch. With 14g of protein per serving, it's suitable for meal prep.
- What are the main ingredients in Caramelised Onion Tart?
- The key ingredients are Onion, Olive Oil, Balsamic Vinegar. This recipe is part of our British cuisine collection.
- Is Caramelised Onion Tart healthy?
- This recipe contains 1019 calories per serving with 14g of protein and is suitable for vegetarian, pescatarian diets.
- What diets is Caramelised Onion Tart suitable for?
- This recipe is specifically suited for Vegetarian, Pescatarian diets. It provides 14g of protein per serving.
Recipe from MealMatcher.co.uk