1. How to make chocolate cake.

1. Dust the eggs, add sugar and beat into foamy egg syrup.

2. Grind the mandarin orange peel into fine crumbs, mix with flour, cocoa powder, and cake baking powder. Add milk and cake batter and stir to form a dough.

3. Take a rectangular baking box with a volume of about 1.5 liters, apply oil on the inside to prevent sticking, put the dough in it and press it flat.

4. Preheat the oven to 175 degrees Celsius, put it in the oven box, and bake for 60 minutes.

2. How to make cheese.

1. Heat 2 kilograms of whole milk in a microwave oven to 30 degrees Celsius.

2. Add 120 grams of concentrated lemon juice and keep at 30 degrees Celsius for 8 hours.

3. Use a spoon to pick it up until it breaks down into semi-clear whey and curd, then add 10 grams of salt and mix gently.

4. Filter through gauze that has been boiled in clean boiling water, press it tightly and store it in the refrigerator for 8 hours.