Potato Puree
1.
Prepare the ingredients; diced potatoes, onions, and ham
2.
Heat oil in a pan, add onions and basil leaves, stir fry for a while, then add ham and potatoes for slow fry
3.
Add water, bring to a boil on high heat, simmer for 20 minutes on low heat; cook until the soup thickens, turn off the heat and let cool
4.
Pour into a container and use a blender to stir into a smooth, particle-free thick soup, re-pour it into the pot, add milk to a boil, mix in black pepper and salt, and add some diced cheese for garnish