Ingredients

• 1 teaspoon unsalted butter
• 1/4 cup chopped celery
• 2 cloves garlic, chopped
• 1 tablespoon all-purpose flour
• 3 1/2 cups chicken broth
• 1 1/2 cups chopped broccoli
• 1 1/2 cups cauliflower, chopped
• 2 tablespoons peanut butter
• 1/4 teaspoon salt
• 1/4 teaspoon crushed red pepper flakes
• 2 green onions, chopped
• 1/4 cup heavy cream