Making Apple Cinnamon Overnight Oats is straightforward if you follow these simple steps:

1. Prepare a Jar: Choose a mason jar or a similar container with a lid.
2. Combine Dry Ingredients: In the jar, combine rolled oats, ground cinnamon, chia seeds (if using), and a pinch of salt.
3. Add Wet Ingredients: Pour the almond milk over the dry mixture. Also, add the maple syrup and vanilla extract if desired.
4. Stir in Apples: Gently mix in the diced apples ensuring they are well-coated with the liquid.
5. Mix Thoroughly: Secure the lid on the jar and shake well to combine all ingredients. Ensure everything is evenly distributed.
6. Chill Overnight: Place the jar in the refrigerator and let it sit overnight or at least for 4 hours to soak and soften.
7. Stir Before Serving: In the morning, give the oats a good stir to combine everything again.
8. Add Toppings: If desired, top with additional diced apples, nuts, or a dollop of yogurt before enjoying.

Following this step-by-step guide will help you achieve the perfect consistency and flavor for your Apple Cinnamon Overnight Oats.