Hong Kong style egg tart

This makes 12 egg tarts in muffin pans.

Flaky Tart Dough per Julia Child

• 2 cups AP flour
• 7 ounces (1 3/4 stick) unsalted butter, chilled and cut into 1/2-inch pieces
• 1/2 tsp salt
• 1/2 tsp sugar
• 1/3 cup ice-cold water

 Custard

• 3 eggs
• 1/2 cup sugar
• 1 cup hot water
• 1/2 cup evaporated milk
• 1/2 tsp vanilla extract