How to Make It
Combine strawberries, 3/4 cup frozen yogurt, and 1/3 cup almond milk in a blender; process until smooth. Divide among 4 glasses. Set aside.
Add mango, remaining 3/4 cup frozen yogurt, and remaining 1/3 cup almond milk to blender; process until smooth. Top strawberry mixture evenly with mango mixture. Sprinkle shakes with crumbled cookies; serve immediately.