1. Prepare the main ingredients.
2. Peel the pumpkin and cut into thin slices, and finely dice the onion.
3. Cover the pumpkin and put it in a microwave oven on high heat to cook, or put it in a steamer to cook.
4. Heat the pan and put the butter to melt.
5. Add diced onion and sauté until fragrant.
6. Put in the steamed pumpkin slices and use a shovel to press them into a puree while frying.
7. Add whipped cream and milk.
8. Add salt and black pepper, bring to a boil for 2-3 minutes.
9. Pour into the food processor.
10. Stir at high speed until fine and without particles, and serve immediately after serving.
Tips:1. If there is no whipped cream, you can substitute the same amount of milk.
2. When cooking the pumpkin paste, be sure to have a low heat throughout the process, and keep stirring to prevent it from sticking to the pot.