The Ultimate Sweet Potato Burger
[Vegan, Gluten-Free]

For the Patty:

• 1 small sweet potato, boiled
• 1 cup Borlotti beans
• 1 small white onion, finely chopped
• 1/2 cup mushrooms, chopped
• 1/2 cup zucchini, grated
• 1/3 cup walnuts, chopped
• 1/2 cup buckwheat flour
• 2 tablespoons tamari
• 1/2 teaspoon garlic powder
• 1 teaspoon smoked paprika powder
• 1/8 teaspoon black pepper
• 1/2 teaspoon turmeric powder
• 1 large red onion, sliced
• 2 tablespoons maple syrup

For the Tahini-Mustard-Beet Sauce:

• 4 tablespoons tahini
• 1 teaspoon wholegrain mustard
• 1 tablespoon maple syrup
• 1 tablespoon lime juice
• 1 teaspoon beet powder
• A dash of water

For the Toppings:

• Gluten-free burger buns
• Cashew cheese 
• Arugula leaves
• Tomato, sliced
• Avocado, sliced
• Sprouts