Add chia seeds, flax seeds, and cinnamon to a small bowl. Pour in vanilla, maple syrup, and your milk of choice. Whisk until combined.
1 tablespoon chia seeds, 1 tablespoon ground flax seeds, 1/4 teaspoon cinnamon, 1 teaspoon maple syrup, 1/2 cup milk
Let the mixture sit for 5 minutes, then give it one more stir, to prevent the seeds from settling on the bottom. Cover and transfer to the fridge to set overnight, or at least for 2 hours.
Stir again before serving. Top with any desired toppings, like fresh fruit or nuts, and enjoy!