1. Put 350g asparagus into the food processor and mash it for standby;
2. Cut 50g asparagus into sections for standby. Heat olive oil in hot pot,
3. Add the asparagus paste, milk and flour and cook until it is rolled;
4. Stir in bacon and asparagus and cook for 15 minutes;
5. Season with pepper and salt, and sprinkle with grated cheese or cream.