1. Cream margarine and sugar together. 2. Add eggs and vanilla. 3. Add sifted dry ingredients and sour cream alternately. 4. Spread 1/2 the batter in a 9x13-inch greased and floured pan. 5. Spread 1/2 of filling over batter. 6. Cover with remaining dough. 7. Sprinkle rest of filling on top. 8. Bake at 350°F for 35 minutes. 9. Cherries may be added to top for decoration. 10. Cool slightly and drizzle with confectioners' sugar icing on top.
