1.Crack eggs and left the bottom side of eggs 2.Separate yolks from eggs. 3.Sprinkle salt to the eggs that inside the eggshells.(cover an egg yolk with salt) 4.set aside the eggs for 6 hours or over night in ambient temperature. 5.After the egg is set in shape wash it with clean water.(change water frequently) 6. Bake it it 150 celsius for 5-7 mins(turn off an oven fan) Finish!