Edible Thanksgiving Fun: Candy Acorns. Mix together 1 cup of creamy peanut butter, ½ cup of margarine and 3 cups powdered sugar and mix well into a soft dough. Roll a 1" ball of dough into an acorn shape. Dip the top of the dough shape into melted chocolate or almond bark and press into finely chopped nuts to form the acorn cap. Break a stick pretzel in half and insert in top to create acorn stem. Set on was paper until chocolate has set.