Maple Black Bean Burritos

Ingredients

• 1 sweet potato, cut into cubes of about 1 cm (3/8 in)
• 2 tbsp canola oil
• 1 tbsp maple syrup (preferably golden syrup for its delicate flavour)
• ¼ tsp salt
• Pepper, to taste
• 1 onion, chopped
• 1 tsp ground cumin
• 1 tbsp chili powder
• 1 tsp dried oregano
• 1 540 ml can black beans, rinsed and drained
• 1/4 cup water
• 2 tomatoes, diced
• ¼ cup plain yogurt or light sour cream
• 4 large tortillas
• 1 avocado, sliced
• ½ cup fresh coriander, chopped
• 1 lime, quartered
• Spicy oil or Tabasco (optional)