Thunder Cake
["1 c. shortening", "1 3/4 c. sugar", "1 tsp. vanilla", "3 eggs, separated", "1 c. cold water", "1/3 c. tomatoes, pureed", "2 1/2 c. cake flour", "1/2 c. dry cocoa", "1 1/2 tsp. baking soda", "1 tsp. salt"]
["Cream together shortening and sugar, then cream in vanilla, egg yolks, cold water and pureed tomatoes, in that order.", "Sift together dry ingredients; mix into creamed mixture.", "Beat egg whites until they are stiff, then fold into batter.", "Bake in two greased and floured 8 1/2-inch round pans at 350\u00b0 for 35 to 40 minutes.", "Frost with a chocolate butter frosting.", "Top with strawberries."]
["shortening", "sugar", "vanilla", "eggs", "cold water", "tomatoes", "cake flour", "cocoa", "baking soda", "salt"]