The mellow flavors of garlic scapes are wonderful for a spring-inspired soup.

A generous dollop of sour cream adds a tangy finish.

These curly stems grow up from bulbs that are buried in the soil.

Southern Living Creamy Garlic Scape Soup in a bowl to serve

Credit:Frederick Hardy II, Food Stylist: Ruth Blackburn, Prop Stylist: Claire Spollen

They taste similar to chives with a faint, sweet whiff of garlic.

If stored in a plastic bag in the refrigerator, they will stay good for several weeks.

Raw garlic scapes add a punch to dips orpestos; when theyre cooked, their flavor mellows a little.

Melt 2 tablespoons of the butter in a large saucepan over medium.

Arrange bread cubes on an aluminum foil-lined baking sheet.

Drizzle with melted butter, and sprinkle with 1/4 teaspoon of the salt; toss well to coat.

Reserve saucepan; do not wipe clean.

Bake bread cubes until toasted, about 12 minutes, stirring once after 8 minutes.

Remove croutons from oven, and set aside.

Melt remaining 2 tablespoons butter in reserved saucepan over medium.

Add chopped garlic scapes; cook, stirring occasionally, until slightly softened, about 3 minutes.

Add potatoes, stock, bay leaves, and remaining 1 teaspoon salt.

Bring to a boil over high.

Partially cover, reduce heat to low, and simmer until potatoes are tender, 12 to 14 minutes.

Uncover and stir in spinach.

Pour potato mixture into a blender.

Secure lid on blender, and remove center piece to allow steam to escape.

Place a clean towel over opening.

Process until smooth, about 45 seconds.

Add sour cream, and process until well combined, about 20 seconds.

Ladle soup into bowls; top evenly with croutons and sliced garlic scapes.