Butter Sponge Cake

Directions

1. Set oven for moderate, 350f.
2. Beat eggs until very light and thick.
3. Beat in salt, sugar, and vanilla.
4. Heat milk and butter to boiling point; beat in.
5. Mix and sift flour and baking powder.
6. Beat in.
7. Bake in greased square cake pan, 8 by 8 by 2 inches, about 30 minutes.
8. Cool on cake rack.
9. Frost as desired.
10. Or bake at same temperature in two greased 8-inch layer cake pans, 20 to 25 minutes.
11. Variation for boston cream pie: put layers together with vanilla or chocolate cream filling made with pudding mix, dust top layer with confectioners' sugar.
12. Variation for washington pie: put layers together with raspberry jam, dust top with confectioners' sugar.