1Preheat oven to 350 degrees: Open can of dough and separate into triangles. Mix granulated sugar and cinnamon in a small bowl or cup. Melt butter. Dip a slice of apple into the butter and then into the cinnamon and sugar.. Place at the top of the triangle of dough where it is the widest and roll apple down into the dough. Fold in the sides. Make sure all of the apple is covered. Place into a 9x9 inch square pan. Continue until all apples are covered in dough. Mix the remaining butter, orange juice and brown sugar into the microwave and heat for 2 or three minutes. Pour on top of the dumplings. Bake in oven for 25 or 30 minutes. Remove from oven and spoon orange juice syrup on top of dumplings.