Some mornings, I want a breakfast that's filling and tasty, but I don't always have the time to stand in the kitchen preparing something from scratch. That's where apple and peanut butter overnight oats come in handy. You mix rolled oats with milk, creamy peanut butter, fresh apple, and a little cinnamon, then leave everything in the refrigerator overnight. By morning, the oats have softened, the peanut butter adds a rich nutty flavor, and the apples give every spoonful a little sweetness and crunch.

What I especially like about this recipe is that you can prepare it the night before and have breakfast ready when you wake up. Better yet, you don't need to cook anything, and you can adjust the sweetness depending on how ripe your apple is and what you prefer. I also like adding a little Greek yogurt to make the oats creamier, while chia seeds help thicken the mixture as it rests. If you enjoy apple-inspired treats, my Apple Crisp Cupcakes are another recipe worth trying when you're in the mood for something sweet.

Why You Will Love This Recipe

What I love most about these apple and peanut butter overnight oats is how well the ingredients work together. The apple adds a fresh, slightly sweet flavor, while the peanut butter brings a nutty richness that makes the oats taste more satisfying. Meanwhile, cinnamon gives everything that familiar apple-cinnamon flavor without requiring any extra preparation.

Another reason to make this recipe is how convenient it is. You can prepare everything in one jar or container before bed, cover it, and place it in the refrigerator. Then, when morning comes, breakfast is already waiting for you. Since there's no cooking involved, you also won't have a pan to wash or a bowl of oatmeal to watch over on the stove.

On top of that, it's easy to customize the recipe according to your taste. You can use crunchy peanut butter for extra texture, add raisins for more sweetness, or top the oats with chopped nuts just before serving. Better yet, you can prepare two portions at once, which makes breakfast planning much easier on busy mornings.

What You Will Need

Mason jars or airtight containers: These make it easy to mix, refrigerate, and serve the oats. Individual jars are especially useful when you're preparing breakfast for more than one morning.

Small mixing bowl: You can mix the ingredients directly in your jar, but a separate bowl makes it easier to combine the peanut butter with the milk before adding the oats.

Measuring cups and spoons: These help you get the right balance of oats and liquid so the mixture softens properly without becoming too runny or too thick.

Grater or sharp knife: You can grate the apple for a softer texture or dice it into small pieces if you prefer little bites of fresh apple throughout the oats.

Ingredients

• 1 cup old-fashioned rolled oats
• 1 cup milk of your choice
• ½ cup plain Greek yogurt
• 2 tablespoons creamy peanut butter
• 1 medium apple, grated or finely diced
• 1 tablespoon chia seeds
• 1 to 2 tablespoons honey or maple syrup, to taste
• ½ teaspoon ground cinnamon
• ½ teaspoon vanilla extract
• Pinch of salt

Optional Toppings

• Extra sliced or diced apple
• 1 tablespoon chopped peanuts or walnuts
• A drizzle of peanut butter
• A sprinkle of cinnamon
• Raisins
• A little granola for crunch

How To Make Peanut Butter Overnight Oats

1. Prepare the Apple

First, wash the apple thoroughly and remove the core. You can peel it if you prefer, although I usually leave the skin on because it adds a little texture.

Next, grate the apple for a softer mixture or dice it into small pieces if you want to notice the apple more as you eat. Grated apple spreads its flavor throughout the oats, while diced apple gives you little sweet and crunchy bites.

2. Mix the Wet Ingredients

Next, add the milk, Greek yogurt, peanut butter, honey or maple syrup, and vanilla extract to a mixing bowl. Whisk everything together until the peanut butter is mostly incorporated into the liquid.

The peanut butter may take a little effort to mix in, especially if it's thick. However, keep whisking until the mixture looks reasonably smooth. This helps distribute the peanut butter throughout the oats rather than leaving one large clump at the bottom.

3. Add the Oats and Other Ingredients

Now, stir in the rolled oats, chia seeds, cinnamon, salt, and prepared apple. Mix thoroughly so the oats absorb the liquid evenly and the apple gets distributed throughout the mixture.

At this point, the mixture may look a little loose. That's perfectly fine because the oats and chia seeds will absorb some of the liquid as they rest. If you're using jars, divide the mixture evenly between two containers.

4. Refrigerate Overnight

Cover the containers with lids and place them in the refrigerator for at least 4 hours, although overnight gives you the best texture.

Meanwhile, the oats will soften, the chia seeds will thicken the mixture, and the cinnamon and peanut butter flavors will blend together. By morning, you should have creamy oats that are ready to eat without heating or cooking.

5. Stir and Adjust the Consistency

In the morning, remove the jars from the refrigerator and stir the oats well. Sometimes the mixture thickens more than expected, particularly if you use Greek yogurt and chia seeds.

If that happens, add a splash of milk and stir until you reach your preferred consistency. Alternatively, if the oats seem too thin, let them rest for another 10 to 15 minutes so they can absorb a little more liquid.

6. Add Your Favorite Toppings

Finally, top the oats with extra apple, chopped nuts, a sprinkle of cinnamon, or another drizzle of peanut butter. I recommend adding crunchy toppings just before serving so they don't soften too much overnight.

Enjoy the oats straight from the refrigerator if you like them cold. However, you can also warm them briefly in the microwave if you prefer a warm breakfast, stirring halfway through and adding a little milk as needed.

Tips For The Best Peanut Butter Overnight Oats

Use old-fashioned rolled oats. They soften nicely overnight while still holding their texture. Instant oats tend to become much softer, while steel-cut oats usually need a different preparation method.

Choose an apple you enjoy eating fresh. Gala and Fuji apples work well if you prefer a sweeter taste, while Granny Smith apples add a little tartness that balances the peanut butter.

Mix the peanut butter thoroughly. Because peanut butter can be thick, mixing it with the milk and yogurt first helps prevent clumps from forming throughout the oats.

Adjust the sweetness after mixing. Apples already add natural sweetness, so you may not need much honey or maple syrup. Start with a tablespoon, then add more in the morning if necessary.

Don't skip the resting time. Although you can technically eat the mixture after a short soak, the oats become softer and creamier when they have enough time to absorb the liquid.

Add crunchy toppings at the end. Nuts and granola can lose their crunch when they sit in the refrigerator overnight. Therefore, keep them separate until you're ready to eat.

Easy Peanut Butter Overnight Oats Variations

Apple Cinnamon Overnight Oats

If you love the combination of apple and cinnamon, increase the cinnamon slightly and add a pinch of nutmeg. You can also stir in a few raisins before refrigerating the oats. As the mixture rests, the flavors blend together, giving you a breakfast with a flavor similar to an apple-based baked treat.

Peanut Butter Banana Overnight Oats

For a sweeter variation, replace half the apple with half a mashed banana. The banana makes the mixture creamier and adds sweetness, so you may want to reduce the honey or maple syrup.

Alternatively, keep the apple and add a few banana slices just before serving. This gives you both fruit flavors without making the overnight mixture too sweet.

Peanut Butter Overnight Oats With Chia Seeds

The recipe already includes chia seeds, but you can increase the amount to 1½ tablespoons if you prefer a thicker consistency. However, you may need to add a little extra milk in the morning because chia seeds absorb quite a bit of liquid.

Chocolate Peanut Butter Overnight Oats

For a chocolate version, add 1 teaspoon of unsweetened cocoa powder to the milk and peanut butter mixture. Stir thoroughly before adding the remaining ingredients.

The cocoa and peanut butter work particularly well together, while the apple adds a fresh, slightly sweet contrast. You can also sprinkle a few dark chocolate chips over the top just before serving.

Crunchy Peanut Butter Overnight Oats

If you prefer more texture, use crunchy peanut butter instead of creamy peanut butter. Then, just before eating, add chopped peanuts or walnuts for another layer of crunch.

This is a simple change, but it makes the oats feel a little more interesting without requiring any extra preparation the night before.

Can I Use Any Type of Milk?

Yes. Regular dairy milk works well, but you can also use unsweetened almond milk, soy milk, oat milk, or another milk alternative you enjoy.

Keep in mind that different milks can change the flavor and consistency slightly. For example, sweetened plant-based milk may make the oats sweeter, while some thinner milk alternatives may leave the mixture a little less creamy.

Can I Make Overnight Oats Without Yogurt?

Absolutely. You can leave out the Greek yogurt and replace it with another ½ cup of milk. The result will be a little less creamy, but the oats will still soften overnight.

Alternatively, you can use a dairy-free yogurt if you want to keep the creamy texture without using dairy products.

Do I Have to Peel the Apple?

No. Leaving the peel on is completely fine, and it adds a little extra texture. Just wash the apple well before grating or dicing it.

However, if you prefer a softer consistency throughout the oats, peeling and grating the apple is a good option. Either way, choose the preparation method that works best for you.

Can I Eat Peanut Butter Overnight Oats Warm?

Yes. Overnight oats don't have to be eaten cold, even though the recipe is prepared in the refrigerator.

Once the oats have soaked, transfer a portion to a microwave-safe bowl and heat it in short intervals, stirring between each one. Add a splash of milk if the mixture becomes too thick, then finish with your toppings.

Alternatively, you can warm the oats gently in a saucepan over low heat, stirring until heated through.

How To Store Peanut Butter Overnight Oats

Store the prepared oats in airtight containers in the refrigerator. For the best flavor and texture, I recommend eating them within 2 to 3 days because the fresh apple softens as it sits in the mixture.

If you're preparing breakfast for several days, you can mix the oats, milk, yogurt, peanut butter, and other ingredients ahead of time, then add freshly cut apple closer to serving. This helps the apple retain more of its texture.

Can I Freeze Overnight Oats?

You can freeze overnight oats, although the texture may change slightly after thawing, especially when the recipe includes yogurt and fresh apple.

If you decide to freeze them, store individual portions in freezer-safe containers and leave a little room at the top for expansion. Thaw them overnight in the refrigerator, then stir thoroughly and add milk as needed.

For this particular recipe, I prefer preparing smaller batches in the refrigerator because the apple and peanut butter taste fresher that way.

What To Serve With Peanut Butter Overnight Oats

These overnight oats can make a satisfying breakfast on their own, especially when you add Greek yogurt and peanut butter. However, if you're preparing breakfast for the family or putting together a brunch spread, you can serve them with fresh fruit, boiled eggs, or a small portion of homemade muffins.

My Cranberry Orange Scones are another fruity breakfast option, particularly when you want something baked to go alongside a simple jar of overnight oats. You could also prepare a batch of Gluten Free Zucchini Muffins when you're planning a brunch that includes a few sweeter treats.

Of course, you don't need to add anything else if you prefer a simple breakfast. Just grab a jar from the refrigerator, add your toppings, and you're ready to eat.

More Easy Breakfast Ideas

If you enjoy preparing meals ahead of time, overnight oats are a useful addition to your breakfast routine because you can change the flavor without changing the basic method. Try the banana variation one morning, add cocoa another day, or switch to a different type of nut butter when you want something new.

For something baked, my Cornbread Muffins are a great option to prepare ahead, while Rainbow Cloud Pancakes are worth saving for days when you're craving an apple-flavored dessert. That way, you have a few different ways to enjoy familiar ingredients without making breakfast feel repetitive.