1, the head of the onion horizontal cut to remove, about 1/8 of the height of the entire onion.

2, the next is to use one hand to hold the onion, the onion cut side up, vertical on the cutting board.

3. In a tic-tac-toe pattern, make two horizontal and two vertical cuts from the top of the onion downward, spacing them evenly so that the onion is completely divided.

4, cut to the bottom are not cut off, still retain some connection.

5, and finally cut off the bottom of the onion, so that the cut out of the onion are scattered, one by one into a diamond-shaped block.