Sweet Potato And Black-Bean Burgers

Ingredients

• 2 cups grated sweet potato
• ½ cup rolled oats
• 1 can black beans ,drained and rinsed
• ½ cup chopped spring onion
• ¼ cup vegan mayonnaise
• 1 tablespoon tomato paste
• 1 teaspoon curry powder
• ⅛ teaspoon salt
• ½ cup plain low fat yoghurt
• 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

Preparation

1. squeeze grated sweet potato with paper towels to remove excess moisture; place in a large bowl. pulse oats in a food processor until finely ground; add to the bowl with the sweet potatoes. add beans, spring onions, mayonnaise, tomato paste, curry powder and salt to the bowl; mash the mixture together with your hands. shape into four patties. place the patties on a plate; refrigerate for 30 minutes.
2. stir yoghurt, dill and lemon juice together in a small bowl; set aside.
3. heat oil in a large pan over medium-high heat. add the patties; cook until golden brown, about 3 minutes per side.
4. divide the yoghurt sauce evenly among top and bottom bun halves. top each bottom bun half with a burger and cucumber slices; replace top bun halves.