Ingredients

Instructions

  1. Heat oven to 350°F.
  2. Grease and flour 13x9-inch pan.
  3. In medium bowl combine flour, graham cracker crumbs, baking powder, baking soda and salt; mix well; set aside.
  4. In large bowl, beat brown sugar, shortening and eggs until well blended.
  5. Add dry ingredients and milk; mix at low speed 1 minute.
  6. Stir in 2/3 cup of the chocolate chips.
  7. Spread batter evenly in greased and floured pan.
  8. Bake at 350°F for 25 to 35 minutes until toothpick inserted in center comes out clean.
  9. Cool 15 minutes.
  10. Meanwhile, melt remaining 1/3 cup chocolate chips in small saucepan over low heat.
  11. Spoon teaspoonfuls of marshmallow creme onto top of warm cake; carefully spread with knife dipped in hot water.
  12. Drizzle with melted chocolate and swirl chocolate through marshmallow creme to marble.
  13. Cool completely.