You buy some meat.

Cut it into pieces and put some salt in it.

Then wrap the meat with raw flour.

Burn oil in the pot

When it is about seven ripe, put the meat in and fry it.

Until it turns golden brown.

After frying, pour it out and copy the tomato sauce (ketchup) in the pot.

Put some sugar in it.

Continue copying

Then add some white vinegar.

Put the meat in.

Copy it a few times and it will be OK.