In a bowl sifted flour with baking powder and salt. Mix with orange peel, sugar and mix. In another bowl mix the milk, the butter, juice and egg. Mix well and add vanilla. Add flour gradually and stirred to homogeneity. Spoon ice cream is packed part of the mixture in muffin form. Insert 1 tsp chocolate spread, then make a further mixture. Muffins sprinkled with brown sugar. Bake about 20 minutes or sample with a toothpick, it should come out dry. Finished muffins sprinkled with powdered sugar.