1. Prepare 10g tomato sauce, 5g salt, 1 carrot, 1 potato.

2. Wash the potatoes and peel the carrots.

3. Add water to the pot to boil, steam potatoes and carrots for 15 minutes, and salted egg yolk for 8 minutes.

4. Peel the steamed potatoes and mash the carrots.

5, salted egg yolk paste, carrot paste and potato paste with salt and stir well.