Lighten Up Charleston

Ingredients

• 2 cups grated sweet potato
• ½ cup old-fashioned rolled oats
• 1 cup no-salt-added black beans, rinsed
• ½ cup chopped scallions
• ¼ cup vegan mayonnaise
• 1 tablespoon no-salt-added tomato paste
• 1 teaspoon curry powder
• ⅛ teaspoon salt
• 1/2 cup plain unsweetened almond milk yogurt
• 2 tablespoons chopped fresh dill
• 2 tablespoons lemon juice
• 2 tablespoons extra-virgin olive oil
• 4 whole-wheat hamburger buns, toasted
• 1 cup thinly sliced cucumber