Krispy Kreme Australia is set to launch a new 'duffin' dessert - a combination of both a doughnut and a muffin - to its menu. The $4 Krispy Kreme Duffin is said to have a muffin-like texture, with delicious fillings and tasty toppings to satisfy morning tea cravings. The new dessert combines the texture of both a doughnut and a …