Asparagus and Feta Flan

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Asparagus and Feta Flan

In hot, summery weather, I always crave meals that are both light and tasty. This recipe for a summer flan is perfect as a simple lunch, served with a fresh green salad.  It’s essentially a quiche without  the pastry, so it’s ideal if you are gluten-free or just trying to cut down on wheat. I cook these flans in my SousVide Supreme, using the water oven as a bain marie. By cooking the flans this way, I know the eggs will be cooked to perfection and will have a light and delicate consistency. These delicious flans are  simply made with some fresh eggs, onions, chives, asparagus tips and crumbled feta. They taste feather light and are full of flavor.  You could make lots of different variations on this recipe using different  vegetables or herbs. They would also be delicious with some vegetables confit mixed in. So, if you are looking for something fresh, light and flavorful – this savory summer flan is a winner.

Serves 4


  • ½ tablespoon (7ml) olive oil
  • 1 small onion, peeled and diced
  • ½ teaspoon (2.5ml) melted butter
  • 4 eggs
  • ½ cup (120ml) cream
  • Salt and pepper, to taste
  • 1 teaspoon (5 ml) freshly chopped chives
  • 4 asparagus tips, cut in half length ways
  • ¼ cup (40g) crumbled feta cheese

For serving

  • Freshly grated Parmesan cheese
  • Mixed salad greens, lightly dressed with your favorite vinaigrette


  1. Fill the SousVide Supreme up to the fill line.
  2. Arrange 4 empty ramekins on a baking rack in the water oven. Fill them with water. Check that the water in the bath reaches half way up the side of the ramekins. Add more water if needed.
  3. Remove and dry the ramekins and grease each one with the melted butter.
  4. Preheat the SousVide Supreme to 185°F (85°C)
  5. Heat the olive oil in a medium sized saucepan.
  6. Add the diced onions and saute until soft and golden (about 10 minutes).Take off the heat and leave aside to cool.
  7. Put the eggs and cream into a bowl; add a pinch of salt and pepper and the chopped chives and whisk the mixture together.
  8. Divide the cooked onions among the ramekins and pour the egg mixture on top of the onions; top with the sliced asparagus tips and feta, dividing equally among the four.
  9. Carefully place the ramekins into the water oven on the raised baking rack, taking care not to get any water into the ramekins. Cover the ramekins with squares of foil, slightly tented to prevent condensation from dripping into them.
  10. Leave to cook in the water bath for 45 minutes.
  11. Remove the foil and then the lift out the ramekins with a kitchen glove or tongs.
  12. Allow the flans to cool for a few minutes on a wire rack.
  13. You can serve the flans straight from the ramekins, or, you can slide a knife around the edges of the flan and carefully invert it onto a plate.
  14. Garnish with some freshly grated Parmesan and serve with a green salad.

Asparagus and Feta Flan


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This recipe is perfect for the SousVide Supreme!

Would you like to try cooking this recipe? Learn more about our water ovens by visiting our site. The world’s first water oven designed specifically to bring the gourmet sous vide cooking method into home and small restaurant kitchens.

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