(These rosette iron set with handle are an ideal tool for anyone looking to recreate the authenticity of traditional buñuelos. Give it a Try! 1) Boil water in a pot. Easy to Use: Simply the included instructions and recipe to or season your fritter mold before your first use and then simply dip the mold in the dough, deep fry, remove from the buenelos mold and sprinkle with sugar and cinnamon to produce delicious rosette cookies.