Sweet Potato Black Bean Burgers

Ingredients

Patties and buns

• 1 1/2 cups rolled oats
• 1 cup cooked, peeled, and mashed sweet potato
• 1 cup mashed black beans
• 1/2 tsp salt
• 2 tsp onion powder
• 1 tsp ground cumin
• 1 tsp smoked paprika
• 1/2 tsp black pepper
• 1/2 tsp chipotle powder (optional)
• Oil for cooking
• 4 whole-wheat burger buns

Sauce

• 1/4 cup toasted pepitas
• 1/4 cup good-quality salsa verde

Toppings

• 1 avocado, peeled, pitted, and sliced
• 1/2 cup loosely packed sliced kale
• Pickled or thinly sliced raw red onion*
• *to pickle red onions, submerge them in what vinegar with a generous pinch of salt for at least 6 hours.