The Grandma McFlurry made its official nationwide debut ... Would it taste like an old cough lozenge? That’s probably less likely. Or, might it be flavored like a diabetic-friendly lemon drop ...

Although the Grandma McFlurry plays into old-fashioned notions, McDonald's keeps one foot in the 21st century with a modernized take on emblems from the past. The side of Grandma's McFlurry Mobile ...