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Croissant Quiche with Ham, Leeks & Gruyere Cheese

Indulge in this holiday croissant quiche, filled with savory ham, tender leeks, and rich Gruyère cheese, all nestled in a buttery croissant crust. Perfect for festive brunches!
Prep Time: 30 minutes
Cook Time: 40 minutes
Course: Breakfast, brunch, lunch
Cuisine: French
Keyword: Croissant, Gruyere Cheese, Ham, Leeks, Quiche
Servings: 6

Equipment

  • 9 inch Pie Plate
  • Rolling Pin
  • Medium Saute Pan
  • Cutting Board
  • Chefs Knife
  • Measuring Cups & Spoons
  • Medium Bowl
  • Whisk

Ingredients

  • 6 Large Croissants
  • 1 Cup Half and Half room temperature
  • 1 tsp Corn Starch
  • 4 Large Eggs
  • 2 tsp Dijon Mustard
  • 1/8-1/4 tsp Nutmeg
  • 3/4 Cup Leeks sliced
  • 2 tsp Thyme chopped
  • 1 small Shallot diced
  • 1/3 Cup Thin Sliced Ham Off-The-Bone chopped

Instructions

  • Preheat the oven to 350°
  • Use a rolling pin to roll out and flatten each croissant. Form 4 of the croissants around the sides of the pie plate and lay the other two on the bottom. Press them into the pie plate.
  • Sprinkle with gruyere cheese and bake in the preheated oven for about 5 minutes until the cheese just melts.
  • While the pie plate is still warm. Use the bottom of a measuring cup to press the croissants into the pie dish further flattening and forming the crust. Set aside.
  • Heat a medium skillet over medium heat and add 2 tbsp of butter. Saute the leeks and shallots for about 5-7 minutes. Add the thyme and cook a minute longer.
  • In a medium bowl, whisk the corn starch into the room temperature half and half until it dissolves. Add in the eggs, dijon mustard, nutmeg, salt and pepper and whisk until cohesive.
  • Distribute the leeks into the bottom of the pie plate then pour in the egg custard. Sprinkle in the ham and then the gruyere cheese.
  • Place the pie plate on a sheet pan and bake in the preheated oven at 350° for 35-45 minutes until the outter edge is set and the middle is just slightly jiggly. Allow to rest for 10-15 minutes before slicing into.
  • Garnish with sliced chives and serve with a simple arugula side salad.
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