This pastry cream will keep 4 to 5 days in the refrigerator or in the freezer up to 2 months. This recipe make 4 1/4 cups. You need not a double boiler, only a saucepan and a small metal bowl placed over the saucepan full of simmering water that doesn't touch the water.
enough for three 8-inch tarts, two or three 9- or 10- inch tarts, depending on the thickness; one two-crust or two latticed 9- or 10- inch tarts; one 11 by 8- inch tart, with or without lattice; or then to fifteen 3 1/2- inch tartlets. Use leftover dough to make tartlets or cookies.