smoky sweet potato burgers

Ingredients

• 2 cups coarsely mashed sweet potatoes (or yams)
• 2 - bulbs of roasted garlic
• 1 cup cannellini benas
• 2 - garlic cloves, minced
• 1 1/3 cups panko bread crumbs
• 1 1/3 cups oat flour
• 1 large egg, lightly beaten
• 1 1/2 teaspoons smoked paprika
• 1 teaspoon onion powder
• 1 teaspoon salt
• 1 1/2 teaspoons pepper
• 1 1/8 teaspoons cumin
• 2-3 tablespoons olive oil
• 1 - avocado, sliced
• 1 2/3 cups plain greek yogurt or sour cream
• 1 teaspoon maple syrup
• 4 - whole wheat buns
• - extra salt and pepper for seasoning yogurt/cream