Buttermilk Overnight Oats

two jars of overnight oats side by side with black spoons in them and blackberries on top.

5 from 3 reviews

You've never had overnight oats like this before! Buttermilk lends a rich, tangy flavor to lightly sweetened overnight oatmeal in this easy make-ahead recipe that tastes like buttermilk pie, but in a creamy, healthy breakfast.


  • 1/2 cup lowfat buttermilk
  • 1/4 cup milk of choice
  • 1/4 cup plain Greek yogurt
  • 1 tbsp lemon juice
  • 1/2 tsp vanilla extract
  • 1 tsp maple syrup
  • 1/2 cup rolled oats
  • 2 tsp chia seeds


  1. In a jar or other container with a lid, whisk buttermilk, milk, yogurt, lemon juice, vanilla and maple syrup.
  2. Stir in oats and chia seeds.
  3. Cover and refrigerate overnight.
  4. In the morning, stir and top as desired.


  • I like a hint of lemon juice in these overnight oats to bring out the natural sweetness and tang in the buttermilk, but it tastes good without the lemon juice, too!
  • I use 1 tsp of maple syrup for just a hint of sweet, but if you prefer sweeter overnight oats, add more to taste. You can also use another sweetener of your choosing, such as regular or brown sugar or honey.
  • If you don't have chia seeds, you can use ground flaxseed for a dose of healthy fat, or just leave them out.
  • Rolled oats are my favorite for overnight oats, but the recipe also works with quick oats or quick-cooking steel cut oats.

Keywords: buttermilk overnight oats