1. Dice beef, blanch it to remove blood foam, and add carrots and potatoes in the same amount to stew until soft and rotten

2. Peel tomatoes (about 4 or 5) and mash them

3. Take another pot, put a large piece of butter to melt and burn until the color is a little darker, and add chopped onion and celery (note that onions and celery are equal, but tomatoes are about 4 times as much as them) and stir-fry.