In small pot bring water, butter and oil to a boil.
In a mixing bowl (not plastic) , mix flour, sugar, cocoa and soda.
Stir in hot liquids, stirring well until sides let go of bowl. Stir in buttermilk and vanilla, then beat in eggs well.
Pour into greased cookie sheet (approx 11"x 17" or a bit smaller) with sides at least 1 inch. Bake at 350 degrees for 20 to 25 minutes, depending on size of pan.I
Frosting: Bring butter, cocoa and milk to a boil, then remove from stove. Stir in confectioner's sugar anc crushed almonds. Spread on cake while still very warm. Cool before cutting up. Keep in fridge, especially on hot days.