Pastry: Butter (wrapped in) 90g
Low gluten flour 110g High-gluten flour 15g
Water About 55g sugar 3g
Salt 1g Butter 20g
Cake slices: (11-inch baking pan or the baking pan that comes with the 32-liter oven) Eggs 4
Sugar (for beating egg yolks) 15g Corn oil 40g
Water 50g Low gluten flour 80g
Sugar (for beating egg whites) 40g Walnut kernel 4
Baking powder 1.5g Custard sauce:
Eggs 1 Whipping cream (contains sugar) 50g
Milk 20g sugar 10g
flour 8g Lemon juice 15g
Purple Sweet Potato Flour 5g Honey 10g
Butter 30g Whipped cream (for whipping with sugar) 70g
Walnut Napoleon Cake: A dessert where you can learn how to make puff pastry, chiffon and custard sauce (super detailed) Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 1

Step 1

Making puff pastry: Low-gluten, high-gluten flour, sugar, salt and softened butter are placed in a large stainless steel basin and kneaded evenly. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 2

Step 2

Add water gradually and knead into a smooth dough. Wrap in plastic wrap and place in the refrigerator to rest for 20 minutes. Be careful not to add too much at one time, the approximate water consumption is about 60g. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 3

Step 3

Wrap slices in butter and place in plastic wrap. Try to place them evenly. Walnut Napoleon Cake: A dessert where you learn how to make puff pastry, chiffon and custard sauce ( Super detailed) illustration of how to do it 4

Step 4

Use a rolling pin to roll it into even thin slices and refrigerate until ready to use. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 5

Step 5

Roll the dough into three times the size of the butter and wrap the butter inside. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 6

Step 6

Roll the folded dough into a rectangular shape and fold it according to the method of folding a quilt. Repeat folding in this way three times. PS Since butter melts easily, you can put it in the refrigerator to rest for 20 minutes between each fold. If oil leakage occurs, continue operation as quickly as possible. There was also oil leakage when I was doing it and I didn’t have time to take pictures. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 7

Step 7

After folding, roll out the relaxed dough into thin sheets and bake in a preheated 200°C oven for 25 minutes until the surface is crispy and brown. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 8

Step 8

Cake slices: Separate egg yolks and add sugar to beat. Add corn oil in three additions and stir thoroughly to emulsify. ps. The egg liquid must be beaten until the color is white and the texture is viscous before it is fully emulsified.Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 9

Step 9

Add water and stir evenly with a spatula Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 10

Step 10

Sift together the flour and baking powder and add to the egg batter. ps Baking powder can be omitted, it will be healthier but the fluffiness will be affected. Walnut Napoleon Cake: A dessert with instructions on how to make puff pastry, chiffon and custard sauce (super detailed) 11

Step 11

Mix thoroughly without any lumps of flour. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 12

Step 12

Add sugar to the egg whites in three batches and beat. This is the first time to add sugar. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 13

Step 13

When fine foam appears, add sugar again.Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 14

Step 14

When fine lines appear, add sugar three times, and finally beat until stiff, with small upright corners appearing in the picture. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 15

Step 15

Scoop a large spoonful of the beaten egg whites into the egg yolk batter and mix evenly like stir-fry. ps Do not stir in circles to prevent defoaming. Walnut Napoleon Cake: A dessert with instructions on how to make puff pastry, chiffon and custard sauce (super detailed) 16

Step 16

Pour in the remaining egg whites and stir evenly. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 17

Step 17

Add chopped walnuts and mix gently. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 18

Step 18

Pour the mixed batter into a baking pan covered with greaseproof paper, smooth the surface, and shake twice on a horizontal surface to remove any large air bubbles.Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 19

Step 19

Bake in a preheated oven at 180°C for 30 minutes until golden brown. Take it out and let it cool for later use. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 20

Step 20

Cut out two cake slices of the same size according to the size of the puff pastry. Walnut Napoleon Cake: Learn how to make meringue, chiffon and custard sauce in one dessert (super detailed) Illustration 21

Step 21

Make custard sauce: Mix eggs, milk, light cream, and sugar thoroughly and beat. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 22

Step 22

Add flour and mix thoroughly without lumps. PS If the texture is too grainy, you can sieve the egg batter. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 23

Step 23

Add purple sweet potato starch to lemon juice and mix well. PSThe purple sweet potato only plays a coloring role and can be omitted. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 24

Step 24

Heat the egg batter over low heat until thickened, cool over low heat and then add the mixed lemon juice. Mix well. ps When heating the egg batter, be careful to stir it to prevent it from sticking to the pan. I accidentally overheated it and it oversticked. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 25

Step 25

Beat the softened butter and whipped cream together until ready for piping. Walnut Napoleon Cake: A dessert to learn how to make puff pastry, chiffon and custard sauce (super detailed) illustration 26

Step 26

Mix the whipped cream and prepared egg batter evenly to make custard sauce. Spread onto a cake slice. Walnut Napoleon Cake: A dessert to learn puff pastry, chiffon and Illustration of how to make custard sauce (super detailed) 27

Step 27

Place another slice of cake and spread a layer of custard sauce. Top with puff pastry. Delicious Napoleon finish. In PS, you can make multi-layer Napoleon according to your own preferences. The one in the picture is a five-layer one I made. Walnut Napoleon Cake: A dessert to learn the cooking techniques of puff pastry, chiffon and custard sauce (super detailed)