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Close-up of homemade blueberry overnight oats in a jar with coconut and chopped almonds. Creamy and vibrant, served on white marble countertop.

Blueberry Overnight Oats

Creamy blueberry overnight oats made with yogurt, chia, and maple—perfect make-ahead breakfast in a jar for busy mornings.
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Prep Time 5 minutes
Cook Time 0 minutes
Total Time 5 minutes
Servings: 1 jar
Course: Breakfast, Meal Prep
Cuisine: American, Vegetarian
Calories: 310
Ingredients Equipment Method Notes

Ingredients
  

  • ½ cup Rolled oats Use old-fashioned oats, not quick oats
  • ½ cup Milk Dairy or plant-based (like almond or oat)
  • ¼ cup Greek yogurt Plain or vanilla for creaminess and protein
  • 1 tablespoon Chia seeds Helps thicken and add fiber
  • 1 tablespoon Maple syrup Natural sweetener, adjust to taste
  • ⅓ cup Blueberries Half mashed, half whole
  • ¼ teaspoon Vanilla extract Optional, enhances flavor
  • 1 pinch Salt Balances sweetness
  • ½ teaspoon Lemon zest Optional, adds brightness

Equipment

  • 1 Mason jar 8–12 oz jar with lid, airtight
  • 1 Fork For mashing blueberries
  • 1 set Measuring cups For accurate liquid and dry ratios
  • 1 Spoon/whisk To mix wet ingredients smoothly

Method
 

  1. Gently mash half the blueberries with a fork; mix with lemon zest and keep the rest whole.
  2. In a bowl, whisk milk, yogurt, maple syrup, vanilla, and salt until smooth.
  3. Stir in rolled oats and chia seeds, then fold in blueberry mix until combined.
  4. Spoon mixture into a mason jar, cover, and chill at least 4 hours or overnight.
  5. Top with fresh blueberries, almonds, granola, or coconut before serving.

Notes

We test everything in our cozy kitchen (with Sprout as the taste-tester!), but nutrition info is just a ballpark figure. For exact numbers; especially if someone’s counting, try using your own ingredients in a nutrition calculator you trust.