Caramelised onion tart

Vegetarian
Health score
14%
Caramelised onion tart
90 min.
4
616kcal

Suggestions


If you're looking for a delicious and comforting dish that perfectly balances flavor and texture, look no further than this Caramelised Onion Tart. Ideal for both lunch and dinner, this vegetarian delight is sure to impress your family and friends, making it a versatile addition to your culinary repertoire. With its rich, caramelized onions and creamy egg filling, all encased in a perfectly crisp shortcrust pastry, this tart will tantalize your taste buds and provide a satisfying meal any time of the day.

The process may take about 90 minutes, but trust us when we say the end result is well worth the wait. As the onions slowly cook, they develop a sweet and savory flavor that adds depth to this tart, while fresh thyme lends an aromatic note that elevates the dish further. Topped with a sprinkle of grated Emmental cheese, each bite delivers a delightful combination of creaminess and umami. Whether served warm straight from the oven or chilled for a refreshing treat, this tart is a crowd-pleaser that brings a touch of elegance to any table.

Perfect for gatherings or a cozy night in, this Caramelised Onion Tart not only offers a satisfying meal but also makes for a beautiful presentation. Prepare to indulge in flavors that celebrate the simplicity of quality ingredients combined in a way that is both comforting and sophisticated. Bon appétit!

Ingredients

  • 375 pastry crust 
  • 500 onion finely sliced
  • tbsp olive oil 
  • sprigs thyme leaves 
  •  eggs 
  • 300 ml milk 
  • 100 swiss cheese grated

Equipment

  • baking sheet
  • oven
  • aluminum foil

Directions

  1. Heat oven to 190C/fan 170C/gas
  2. Slide a baking sheet in to heat.
  3. Roll the pastry out enough to line a deep 20cm flan tin or a shallow 23cm one. Chill for 10 mins.
  4. Put a few balls of crumpled foil in the base of the pastry case and bake on the baking sheet for 10 mins.
  5. Remove the foil and bake for 5 mins more, until light golden.
  6. Meanwhile, cook the onions in the oil until starting to soften, then add thyme, pepper, and salt if you want to. Cook slowly for about 15 mins until the onions are soft and tinged brown.
  7. Beat the eggs, beat in the milk and half the cheese and some pepper.
  8. Spread the onions over the flan case and pour in the egg mix.
  9. Sprinkle the remaining cheese on top and bake the tart on the baking sheet for 30-40 mins until the filling is firm and golden, and the pastry crisp.
  10. Serve warm or cold.

Nutrition Facts

Calories616kcal
Protein14.01%
Fat43.41%
Carbs42.58%

Properties

Glycemic Index
43.75
Glycemic Load
22.15
Inflammation Score
-9
Nutrition Score
21.824347744817%

Flavonoids

Apigenin
0.04mg
Luteolin
0.38mg
Isorhamnetin
6.26mg
Kaempferol
0.81mg
Myricetin
0.04mg
Quercetin
25.38mg

Nutrients percent of daily need

Calories:615.74kcal
30.79%
Fat:29.63g
45.58%
Saturated Fat:9.9g
61.9%
Carbohydrates:65.38g
21.79%
Net Carbohydrates:61.37g
22.32%
Sugar:9.31g
10.35%
Cholesterol:155.29mg
51.76%
Sodium:580.59mg
25.24%
Alcohol:0g
100%
Alcohol %:0%
100%
Protein:21.52g
43.04%
Selenium:41.59µg
59.42%
Vitamin B1:0.62mg
41.62%
Vitamin B2:0.69mg
40.6%
Phosphorus:394.32mg
39.43%
Calcium:378.33mg
37.83%
Manganese:0.63mg
31.7%
Folate:124.35µg
31.09%
Vitamin B12:1.47µg
24.44%
Iron:4.07mg
22.62%
Vitamin B3:4.1mg
20.49%
Zinc:2.52mg
16.81%
Fiber:4.01g
16.05%
Vitamin B6:0.3mg
15.08%
Vitamin E:2.15mg
14.31%
Vitamin B5:1.34mg
13.42%
Vitamin C:10.45mg
12.67%
Potassium:435.86mg
12.45%
Magnesium:49.25mg
12.31%
Vitamin A:549.14IU
10.98%
Vitamin D:1.51µg
10.07%
Vitamin K:9.85µg
9.38%
Copper:0.18mg
9.19%