1. In large bowl or measuring cup, stir together oat milk, yogurt and half the cinnamon.
2. Core and dice 1 apple and add to large bowl; stir to coat.
3. Reserve 12 Kashi® Cinnamon Harvest Whole Wheat Biscuits for garnishing. Stir remaining wheat biscuits into apple mixture. Cover and refrigerate overnight.
4. Divide overnight wheat biscuits among 4 bowls. Core and chop remaining apple. Top wheat biscuits with chopped apple, reserved wheat biscuits and remaining cinnamon.