1 ⅓ cups self-rising flour ¾ cup white sugar ¾ cup margarine ½ teaspoon vanilla extract 3 eggs ¾ cup confectioners’ sugar ¼ cup butter ½ teaspoon vanilla extract ½ cup strawberry or raspberry jam Preheat the oven to 350 degrees F (175 degrees C). Grease two 7-inch cake pans and line with parchment paper. Sift self-rising flour into a bowl; add sugar, margarine, and 1/2 teaspoon vanilla extract. Crack in eggs;…