Using a strainer or a slotted spoon, fish out the asparagus pieces from the pot, drain them briefly and transfer them to the skillet.
Add the asparagus pieces and stir-fry until they are bright green and beginning to become tender.
Add the asparagus pieces and cook 5 minutes longer, stirring occasionally.
Warm blanched asparagus pieces briefly in hot water.
When it is hot, add the asparagus pieces and stir-fry for one-and-a-half minutes, or just until they start to change color.
Drop the asparagus pieces into the boiling water and cook 3 minutes.
Add the asparagus pieces and the basil.
After about 15 minutes, add remaining asparagus pieces and tips, continuing to add stock when necessary.
Otherwise, arrange in a large shallow salad bowl along with the halved cherry tomatoes and asparagus pieces.
With the asparagus pieces, create a border around the tomatoes and onions.