These ridiculously soft and tender blueberry oat Greek yogurt muffins are made with NO butter or oil! Naturally sweetened and bursting with blueberry flavour in eat bite, they make for a healthy and delicious breakfast or snack. They're so fluffy I could DIE! The muffins, that is. Bonus points if you get the reference. Bonus points and a blueberry oat Greek yogurt muffin!