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overhead picture of peanut butter overnight oats

Peanut Butter Overnight Oats

Peanut Butter Overnight Oats is the perfect healthy breakfast idea to make during busy work weeks. Each jar comes together in less than a minute using pantry ingredients and is made with wholesome, old-fashioned oats, chia seeds, peanut butter and is naturally sweetened. 
5 from 1 vote
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Course: Breakfast, breakfast recipe
Cuisine: American
Keyword: overnight oats peanut butter, peanut butter overnight oats
Prep Time: 5 minutes
Cook Time: 5 hours
Total Time: 5 hours 5 minutes
Servings: 1 person
Calories: 434kcal


  • 16-ounce mason jars


  • 1/2 cup rolled oats
  • 1 teaspoon chia seeds
  • 2 tablespoons natural peanut butter
  • 1/4 teaspoon pure vanilla extract
  • 1/2 cup unsweetened coconut milk
  • 1-2 teaspoons pure maple syrup


  • Add the rolled oats and chia seeds to a 16-mason jar container. Of course, you can use any container with a lid (I recommend glass), but mason jars are my favorite.
  • Add the peanut butter and milk to the oat mixture. You want to make sure to cover the oats in the milk completely. If you need to add a little more liquid, then do so.
  • Mix everything. Again, make sure there is enough liquid.
  • Place the lid on and stick the overnight oats in the refrigerator for 5 hours or overnight.
  • Give it a couple of stirs in the morning and add the sweetener. If the oats seem thick, add a couple of milk splashes until it's the consistency you want.


Storage tips
Overnight oats with peanut butter is supposed to be made ahead of time. If you want to make these for the week, prepare the jars on Sunday and refrigerate. Keep in mind the longer the oats sit in the fridge, the thicker they will be; stir in extra milk until you get the consistency you like.
You can also freeze overnight oats kits by placing all ingredients minus the milk into reusable storage bags or jars and placing them in the freezer. When you're ready to eat, pour the oatmeal ingredients into a jar and add the milk. You can see my overnight oats freezer tips post for more information.


Serving: 1g | Calories: 434kcal | Carbohydrates: 45g | Protein: 15g | Fat: 23g | Saturated Fat: 7g | Fiber: 8g | Sugar: 10g