Find the correct way to make coffee foam

The practice of making coffee with milk is as follows:

Ingredients: coffee beans 16g, pure milk 200g, dark chocolate sauce.

Exercise:

1, prepare utensils, flower tubes, coffee cups, pot handles and milk.

2. Use the handle to extract coffee powder, and use an Italian machine to extract coffee liquid.

3. deflate the steam head first, and then make milk bubbles, which requires delicacy.

4. Pour the beaten milk into the coffee liquid, which is good enough to pluck flowers.

5, with chocolate sauce, you can draw your favorite patterns on it at will.

Both methods are applicable.