01 - In a medium bowl, whisk together the coconut milk, chia seeds, maple syrup, vanilla extract, key lime zest, and key lime juice until well combined.
02 - Let the mixture sit for 5 minutes, then whisk again thoroughly to prevent clumping of chia seeds.
03 - Cover the bowl and refrigerate for at least 2 hours, or overnight, until the pudding thickens to a creamy consistency.
04 - Stir the pudding before serving. Spoon into individual bowls or glasses.
05 - Top with coconut yogurt, crushed graham crackers, and extra lime zest or lime slices if desired.