1. Put the egg yolk in a bowl and loosen it, then add sugar and cornstarch and mix. 2. Pour in hot milk and vanilla extract little by little, mix, add melon juice, mix, put in a pot and boil over low heat until thickened. 3. Transfer to another bowl, cover with rap close to the surface, and cool. 4. Put butter, milk, water, sugar and salt in a pot and heat until the butter is completely dissolved, then remove from the heat. 5. Sift the soft flour, mix, heat over low heat until a thin film forms on the bottom, and then transfer to another bowl and cool. 6. Add eggs, mix, pan in an oven pan, sprinkle with water, and bake in an oven preheated to 160 degrees for 40 to 45 minutes. 7. Cut out red melons and melons with a flower cutter. 8. Make a hole in the bottom of the shoe and fill it with cream. 9. Garnish with whipped cream, melon and apple mint.