1. Gather your containers: Start by lining up four to five individual serving jars or airtight containers (about 8-12 oz each). These will be your meal prep vessels.

2. Combine dry ingredients: In a large mixing bowl, combine the rolled oats, protein powder, chia seeds, and a pinch of salt. Whisk them together thoroughly to ensure the protein powder is evenly distributed and there are no clumps.

3. Add wet ingredients: Pour in the milk, Greek yogurt, maple syrup (if using), and vanilla extract into the bowl with the dry ingredients. Stir everything together very well until all ingredients are fully incorporated and the mixture is smooth.

4. Divide into portions: Carefully spoon or pour the mixture evenly into your prepared individual serving jars. Fill them about two-thirds to three-quarters full, leaving some space for toppings.

5. Seal and chill: Securely place lids on each container. Transfer them to the refrigerator and chill for at least 4 hours, but ideally overnight. This allows the oats and chia seeds to absorb the liquid and thicken, creating that perfect overnight oats consistency.

6. Add toppings before serving: When you’re ready to enjoy, open a jar and add your desired toppings. Fresh berries, sliced almonds, or a sprinkle of extra chia seeds are fantastic choices. Stir gently and enjoy your ready-to-eat breakfast!