Caramelized Onion & Mustard Tart Recipe

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Caramelized Onion & Mustard Tart
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  1. Melt the butter with the oil in a large frying pan over medium-low heat. Add the onions and garlic. Season to taste with salt & pepper and cook for 30 minutes, stirring often, until golden. Take off heat and set aside.
  2. Preheat the oven to 200°C Line a pie pan or loose bottomed tart tin with the pastry/pie crust. Line with greaseproof paper (wax paper) and fill with beans and bake for 15 minutes. Remove the paper and beans and cook for another 10 minutes until golden.
  3. Lower the oven temperature to 180°C In a bowl, whisk together the eggs, yolks, mustard and cream. Stir in the onions and the chopped mint.
  4. Spoon the mixture into the pie/pastry crust and bake for 20 minutes or until just set. Cool slightly before serving.
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Nutrition Facts

Per ServingPer 100 g
Amount Per 1 Serving
Calories 393.34 Kcal (1647 kJ)
Calories from fat 282.02 Kcal
% Daily Value*
Total Fat 31.34g 48%
Cholesterol 127.51mg 43%
Sodium 296.28mg 12%
Potassium 189.22mg 4%
Total Carbs 20.73g 7%
Sugars 0.01g 0%
Dietary Fiber 3.19g 13%
Protein 6.93g 14%
Vitamin C 3.1mg 5%
Vitamin A 0.3mg 11%
Iron 31.2mg 173%
Calcium 50.6mg 5%
Amount Per 100 g
Calories 214.82 Kcal (899 kJ)
Calories from fat 154.02 Kcal
% Daily Value*
Total Fat 17.11g 48%
Cholesterol 69.64mg 43%
Sodium 161.81mg 12%
Potassium 103.34mg 4%
Total Carbs 11.32g 7%
Sugars 0g 0%
Dietary Fiber 1.74g 13%
Protein 3.79g 14%
Vitamin C 1.7mg 5%
Vitamin A 0.2mg 11%
Iron 17mg 173%
Calcium 27.6mg 5%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.


  • salty
  • savory
  • bitter
  • sweet
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Recipe Tags

Weightwatchers Points

  • 9.8
  • 11

Good Points

  • saturated fat free,
  • sugar free

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