CREAM OF ASPARAGUS SOUP

Ingredients

• 1 (14 1/2-ounce) can asparagus spears with juice,
• 2 (14 1/2-ounce) cans clear chicken broth
• 12 tablespoons butter
• 1 medium-size carrot, diced
• 1 medium rib celery, diced
• 1 small onion, diced
• 1/4 cup all-purpose flour
• 4 ounces heavy cream
• Salt
• pepper