Place the milk, yogurt, chia seeds, maple syrup and vanilla in a bowl and stir until combined.
Mash the berries in a bowl with a fork.
Stir the mashed berries into the chia seed mixture.
Pour the berry chia pudding into two bowls or mason jars and place them in the refrigerator.
Refrigerate overnight.
When ready to serve, stir the pudding to break up any lumps.
Then, garnish the chia pudding with desired toppings.