You'll need only the tips of the asparagus for this recipe; save the stalks for a soup, a salad or a pasta. Fast Hors d'Oeuvres
On a grill pan, brush the asparagus tips with the olive oil and season with salt and pepper. Grill over moderately high heat until tender, about 4 minutes.
Toast the brioche triangles and lightly butter them. Fold the ham slices in half and set on the toasts. Arrange the asparagus tips on top, drizzle with the balsamic vinegar and serve.