Start by preheating the oven to 350 degrees F and line a baking sheet with parchment paper.
Add the cooked sweet potatoes, black beans, cooked quinoa, onion, chives, cumin, oregano, and sea salt to a high-speed blender or food processor. Blend until the mixture comes together.
Form into six burgers and place them on the parchment-lined baking sheet.
Bake for about 10 minutes on each side or until the edges begin to get crispy.
Serve with a gluten-free burger bun and desired toppings.