Roll out the pastry. Line a greased 8-inch tart pan with the pastry. Stick it on the lower shelf of your oven at 350-degrees for about 30 minutes. The custard will be just about set. Remove from oven to add the topping.

TOPPING:
1/3 cup sugar
1 tablespoon butter, room temperature
1/2 teaspoon cinnamon
1/4 teaspoon nutmeg

Use a pastry blender, or just a fork, to cut the butter into the sugar and spices. Sprinkle the topping over the custard and return the tart to the oven for about 10 more minutes. Cool on a wire rack.