Steps
- Preheat the oven to 350°F / 175°C. Line an 8in / 20cm pie plate with 1 roll of ready-rolled butter pastry.
- Line with parchment and pie weights. Bake for 10 minutes, then remove the weights and parchment.
- Fry 4 slices of bacon in a skillet over medium heat until crisp. Remove and crumble. Thinly slice 6 medium Bermuda onions.
- Cook the onions and 1 teaspoon of fresh thyme leaves in the bacon fat over medium heat until browned, covering between stirs.
- Beat ¼ cup plus 2 tablespoons of powdered milk, 2 tablespoons of all-purpose flour, and 2 eggs until smooth. Mix in ½ cup of water and ¼ teaspoon of salt.
- Put the onions and bacon in the crust. Pour over the egg mixture. Bake for 40 minutes, until the filling is set.