Peanut Butter Overnight Oats is a delicious, easy breakfast that works for busy mornings or meal prep. This simple recipe combines oats, chia seeds, and all-natural peanut butter with almond milk for a creamy, satisfying start to the day. You can prepare it the classic way or blend the mixture for an ultra-smooth texture—both are quick and reliable options. The recipe card below contains exact measurements and step-by-step directions.

I’m a devoted overnight oats fan, and my toddler is too—he asks for more with enthusiasm. Whether you’re feeding little ones or preparing your own breakfast, this peanut butter version is a crowd-pleaser. It’s flexible, easy to adapt for dietary needs, and perfect for making ahead.
Peanut Butter Overnight Oats Ingredients
- Oats: Rolled oats or quick-cooking oats both work. Quick oats give a softer texture, while rolled oats keep more chew. If you prefer steel-cut oats, see a steel-cut overnight method and add peanut butter to that base.
- Peanut butter: Use all-natural peanut butter for best flavor and texture. If you can’t have peanuts, swap any nut or seed butter (almond, cashew, or sunflower seed butter).
- Chia seeds: Chia help thicken the mixture and improve texture. If you don’t have chia, ground flaxseed can work, though you may need to adjust the liquid slightly.
- Maple syrup: Adds a touch of sweetness. Honey or agave are fine substitutes, or omit entirely to reduce added sugar.
- Milk: Any milk works—almond, oat, soy, or cow’s milk—depending on your preference and dietary needs.
- Greek yogurt (optional): A little yogurt boosts creaminess and protein. Use dairy or non-dairy yogurt if desired.

Quick Instructions
Combine all ingredients in a covered glass container—mason jars, a Pyrex, or any airtight jar are ideal. Stir until everything is well mixed, cover, and refrigerate for at least 2 hours, though overnight is best. As the oats soak, they thicken into a creamy breakfast with an appealing texture. In the morning, stir and enjoy cold, or add a splash of milk if you prefer a looser consistency.
Blended Overnight Oats Option
If you prefer a silky-smooth breakfast, make blended overnight oats. This method breaks down the oats for a porridge-like consistency.
- Place all ingredients into a high-speed blender.
- Blend on high for about 45–60 seconds until completely smooth.
- Pour into an airtight container and refrigerate for at least 2 hours or overnight.
- Serve as-is or add a splash of milk to thin if needed. Top with nut butter, fruit, or chocolate chips.
Optional Add-Ins
Customize the recipe by adding extra flavors or nutrition. Here are simple, popular options:
- 1 medium mashed banana for natural sweetness and creaminess
- 2 tablespoons protein powder (vanilla or plain) for a protein boost
- 1/4 cup Greek or non-dairy yogurt for extra creaminess
- 1 teaspoon vanilla extract for aroma and depth
- Pinch of salt to balance flavors
- 2 tablespoons mini chocolate chips for a treat
- 2 tablespoons powdered peanut butter if you want less fat; adjust liquid as needed
If you don’t follow a plant-based diet, adding 1/4 cup Greek yogurt yields exceptionally creamy oats—highly recommended if you want a richer texture.

How to Store Peanut Butter Overnight Oats
Store overnight oats in sealed glass containers in the refrigerator. They keep well for meal prep—make a batch for a few days of breakfasts. Properly refrigerated without fresh fruit added, these oats will last up to 5 days and sometimes longer. For best flavor and texture, stir before serving and add any fresh toppings right before eating.

More Overnight Oats Ideas
- Peanut Butter Banana Overnight Oats
- Classic Banana Overnight Oats
- Vegan Peanut Butter Cup Overnight Oats
- 8 Ways to Eat Overnight Oats — flavor inspiration and variations
Recipe Card — Peanut Butter Overnight Oats
Servings: 2 | Prep: 2 hours (refrigeration) | Cook: 0 mins
Ingredients
- 1 cup rolled oats or quick-cooking oats
- 2 tablespoons all-natural peanut butter (plus extra for topping)
- 1 tablespoon chia seeds
- 1 tablespoon maple syrup (or honey/agave)
- 1 1/4 cups plain, unsweetened almond milk (or any milk)
- Optional: 1/4 cup nonfat plain Greek yogurt (or non-dairy yogurt)
- Optional: 2 tablespoons protein powder (vanilla or plain)
Instructions
- Combine all ingredients in a large glass jar or airtight container.
- Stir until smooth and well combined, then cover.
- Refrigerate for at least 2 hours or overnight to allow the oats and chia to absorb the liquid.
- In the morning, stir and top with extra peanut butter, banana, or chocolate chips if desired. If the mixture is too thick, add a splash of milk to reach the preferred consistency.
Blended Variation
Add all ingredients to a high-speed blender and blend until smooth. Transfer to a sealed container and chill for at least 2 hours. Serve cold, with an optional splash of milk.
Tips & Notes
- If using powdered peanut butter, start with 2 tablespoons of powder and increase liquid by 1–2 tablespoons if needed.
- To make a chocolate shell topping, melt 2 tablespoons chocolate chips with 1 teaspoon coconut oil, pour over the chilled oats, and refrigerate until firm.
- Nutrition per serving (approximate): 325 kcal, 42 g carbs, 10 g protein, 15 g fat, 8 g fiber, 9 g sugar. Use as an estimate only.
