Using a vegetable slicer, shaving asparagus into thin strips. Heat 1 teaspoon of olive oil over medium heat and add the asparagus. Cook for 30 to 60 seconds, just to heat the asparagus.
In a bowl, combine asparagus with pea shoots and feta.
Smear hummus over pieces of toast and top with the asparagus mixture.
Whisk together the ingredients for the dressing and drizzle over the crostini before serving. Save leftover dressing for later use.