Spring Egg-Drop Soup

Ingredients

• ["1/4 cup olive oil", "2 medium carrots, peeled, chopped", "6 small spring onions, bulbs only, coarsely chopped (about 1 1/2 cups)", "3 medium spring garlic bulbs, 1-2 garlic scapes, or 2 regular garlic cloves, thinly sliced", "Kosher salt", "4 cups low-sodium chicken broth", "1/2 pound asparagus, sliced on a diagonal 1/2\" thick""