Choose your base: oats (rolled or old-fashioned)
Add liquid: milk of choice (dairy or non-dairy) or yogurt
Mix in a binder: chia seeds (optional but recommended) or extra yogurt
Sweeten (optional): maple syrup, honey, brown sugar, or mashed banana
Add flavor (optional): vanilla extract, cinnamon, cocoa powder, espresso powder
Add toppings (optional): berries, sliced fruit, chopped nuts, nut butter, shredded coconut
Combine in a jar or container: oats + liquid + chia (if using) + sweetener/flavor
Stir thoroughly until no dry oats remain
Refrigerate overnight (at least 4 hours, preferably 8–12 hours)
In the morning, stir and adjust thickness with a splash of milk if needed
Add fresh toppings right before eating (optional)
Store covered in the refrigerator up to 3–5 days