Asparagus Soup with Lemon Creme Fraiche | Reader's Digest Canada

Ingredients

• 1 tablespoon butter
• 1 tablespoon olive oil
• 1 small onion (chopped)
• 4 cups cut fresh asparagus (1-inch pieces)
• 3 medium red potatoes (peeled and cubed)
• 2 cans vegetable broth (14-1/2 ounces each)
• 2 teaspoons grated lemon zest
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 1/2 teaspoon ground coriander
• 1/4 teaspoon ground ginger
• 1/4 cup minced chives
• 1/4 cup creme fraiche or sour cream
• 1 tablespoon lemon juice
• 1/2 teaspoon grated lemon zest