How to make frozen tofu is as follows:

1. A piece of northern tofu is brine tofu, also called old tofu. This kind of tofu is usually used to make frozen tofu.

2. Soak in light salt water, then bag and freeze until it turns light yellow. Generally, it can be frozen overnight.

3. Thaw before cooking when eating. Frozen tofu can be used in stews or hot pots, both are delicious