Start by adding rolled oats, milk, Greek yogurt, chia seeds, and maple syrup into a mason jar or container. Stir everything thoroughly until the ingredients are evenly combined. This mixture forms the creamy base of your overnight oats.
Next, mix in a few drops of orange blossom water and a pinch of ginger or cinnamon. These ingredients add warmth and subtle floral notes to the oats. Stir again so the flavors distribute evenly throughout the mixture.
Cover the jar tightly and place it in the refrigerator for at least 2 hours, though overnight soaking (around 8 hours) works best. During this time, the oats absorb the liquid and soften, creating a thick and creamy texture.
Just before serving, dice fresh orange pieces and roughly chop the pistachios. These toppings add freshness and crunch that balance the creamy oats. The contrast in textures makes each bite more satisfying.
Remove the oats from the refrigerator and give them a quick stir. Add the diced orange, chopped pistachios, and an optional drizzle of maple syrup. Your pistachio orange blossom overnight oats are now ready to enjoy.