In a mason jar or bowl, combine rolled oats, milk, and Greek yogurt.
Add honey or maple syrup and vanilla extract, mixing well.
Layer half of the sliced strawberries on top of the oat mixture.
Stir to incorporate the strawberries into the oats.
Top with the remaining strawberries.
Seal the jar or cover the bowl with plastic wrap.
Refrigerate overnight, allowing the oats to soak and soften.
In the morning, stir the mixture well.
Add additional toppings like chia seeds or nuts if desired.
Enjoy your delicious strawberry overnight oats cold!