Line your muffin tin with paper cups. Mix together the flour, sugar, baking powder, baking soda, cinnamon and salt in a large bowl and then set aside. Whisk together the yogurt, butter ...

Line your muffin tin with paper cups. Mix together the flour, sugar, baking powder, baking soda, cinnamon and salt in a large bowl and then set aside. Whisk together the yogurt ... Add in the diced ...

In another bowl, mix the butter, eggs and yogurt. Tip the wet ingredients into the dry and mix to form a thick batter. 3. Chop the rhubarb into small chunks and fold through the mixture.