01 - In a medium mixing bowl, whisk together the coconut milk, chia seeds, maple syrup, vanilla extract, key lime zest, and key lime juice until thoroughly combined and no dry spots remain.
02 - Allow the mixture to rest for 5 minutes, then whisk vigorously a second time to break up any chia seed clumps and ensure even distribution throughout the liquid.
03 - Cover the bowl tightly and refrigerate for at least 2 hours or overnight, allowing the chia seeds to absorb the liquid and thicken the pudding to a rich, creamy consistency.
04 - Remove from the refrigerator and stir the pudding well to loosen the texture. Spoon into individual serving glasses or bowls, dividing evenly among 4 portions.
05 - Top each serving with a dollop of coconut yogurt, a sprinkle of crushed graham crackers, and fresh key lime slices or additional zest as desired. Serve chilled.