Sweet Potato Kale & Feta Oat Muffins

Ingredients

• 350g sweet potato
• 4 spring onions, finely chopped
• 50g kale, thick stalks removed and finely chopped
• 1 red chilli, finely chopped OR ½ teaspoon chilli flakes (optional)
• 100g feta, crumbled
• 50g parmesan (or another hard cheese) finely grated
• Wet ingredients:
• 150ml sunflower oil
• 150ml natural yoghurt (or buttermilk)
• 3 eggs
• 250g self-raising flour (use wholemeal self-raising if preferred)
• 100g White’s Rolled Oats, reserving a few to sprinkle on top
• 1 teaspoon bicarbonate of soda
• 1 teaspoon salt