Savory Sweet Potato Burger - Food Gardening Network

Ingredients

• 2 1/2 cups sweet potato, peeled and cubed
• 2 1/2 cups chopped onion
• 3 garlic cloves, chopped
• 1 cup whole oats
• 1 teaspoon ground cumin
• 1/2 teaspoon salt
• Vegetable oil for frying
• Lettuce leaves
• 2 tomatoes, sliced
• 6 whole grain buns
• Cooking spray