Baked Peanut Butter Apple Oatmeal

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Baked Peanut Butter Apple Oatmeal-this easy baked oatmeal recipe will remind you of your favorite snack! It reheats well, so make a big pan to enjoy all week long. 

Baked Peanut Butter Apple Oatmeal Recipe

Remember when I made Peanut Butter Apple Oatmeal Cookies? Well, I’ve made them a dozen times since I first shared the recipe on the blog. They are one of my very favorite cookies. The problem is they don’t last long because I am a cookie monster. If cookies are on the counter or in the freezer, I will eat them. They don’t stand a chance with me around. The problem is I found myself eating my Peanut Butter Apple Oatmeal Cookies for breakfast far too often. There are healthy ingredients in the cookies so I thought it was A-OK to have a couple for breakfast.

I thought it was fine until Caleb, our three year old, told me that we aren’t supposed to eat cookies for breakfast. Oops! He caught me!

So instead of setting a bad example, I decided to turn my favorite cookie into baked oatmeal. I made a pan of Baked Peanut Butter Apple Oatmeal with basically the same ingredients as the cookies. I didn’t want to get another lecture from our toddler:)

Baked Peanut Butter Apple Oatmeal Recipe

Baked oatmeal is one of our very favorite breakfasts. A few of our favorite recipes include our Blueberry Coconut, Peach Almond, and Apple Cinnamon. Thanks to my cookies, I invited peanut butter to the party for this recipe and I am so glad I did! The peanut butter, apple, oatmeal combo is a winner…again!

Baked Peanut Butter Apple Oatmeal Recipe

This healthy baked oatmeal will warm you up on a cold morning and keep you full until lunchtime. I love a good healthy and hearty breakfast! I love cookies too, but Caleb is right, baked oatmeal is probably a better choice:)

Baked Peanut Butter Apple Oatmeal Recipe

I love making a pan of Baked Peanut Butter Apple Oatmeal on Sunday morning so we can enjoy a special Sunday breakfast and then have the leftovers throughout the week. Baked oatmeal reheats great in the microwave. I just add a little splash of milk to perk it up and BOOM, you have a delicious and nutritious breakfast in seconds!

Baked Peanut Butter Apple Oatmeal Recipe on

And the good part is, this baked oatmeal still feels like you are eating a treat for breakfast because it is so good! So go ahead and treat yourself to a pan of Baked Peanut Butter Apple Oatmeal. It is mama and toddler approved! Enjoy!

Baked Peanut Butter Apple Oatmeal Recipe

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Baked Peanut Butter Apple Oatmeal

This easy baked oatmeal will remind you of your favorite snack! Make a pan and reheat the leftovers during the week for a healthy and easy breakfast!
4.91 from 20 votes



  • Preheat the oven to 350 degrees F. Grease an 8 x 8 square baking dish and set aside.
  • In a large bowl, mix together the oats, brown sugar, baking powder, salt, and cinnamon. Set aside.
  • In another small bowl, whisk together the milk, egg, applesauce, and vanilla extract.
  • Pour the liquid mixture over the oat mixture and stir to combine. Stir in the peanut butter and mix until combined. Add the apples and stir again. Pour mixture into prepared pan.
  • Bake for 35 minutes or until the top is golden and oatmeal is set. Let cool for 5 minutes and serve warm.
  • Note-this baked oatmeal is great reheated in the microwave. We like to make a pan and eat it throughout the week. This recipe can easily be doubled for a 9 x 13 pan. Use gluten-free oats to make this recipe gluten-free. You can serve with brown sugar, an extra splash of milk, cinnamon, or raisins if desired!

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I'm Maria and my husband is Josh. We share a love of cooking, baking, and entertaining. We enjoy creating recipes that are simple, fresh, and family friendly. We love sitting around the table with good food, good conversation, and good friends and family! Our kitchen is always open!
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  1. I have made this recipe at least once a week since it was posted. We love it! My 2 year old will ask to “make oats?” first thing every morning. It’s wonderful!

  2. This recipe looks delicious but I accidentally bought quick cook steel cut oats. Will these work? Thank you!

    1. I had the same problem, realizing mid-recipe that I didn’t have applesauce, so I just mashed an overripe banana and it worked perfectly! I couldn’t taste the banana and the apple flavor was just a little more muted.

  3. Loved this – the cinnamon and vanilla were so fragrant, and the finished oatmeal had a surprisingly substantial texture. Thank you for sharing!

  4. This is a staple in our house now! Any advantages to adding the applesauce? It’s not something we usually stock in our home and I’ve been making without – but wondering if I’m missing something! 🙂

  5. Delicious, simple and seasonal! This recipe made my house smell soooo good. My new fav, healthy breakfast bake. Thank you!

  6. We LOVE this recipe in our house. I’ve made these about half a dozen times and they get eaten by all of us (my oatmeal-skeptical husband included)! My 22 month old started eating these when he was self-feeding. I make them in a muffin pan (it makes about 11 muffins) and freeze a portion. They freeze beautifully!

  7. Can you freeze this? I’m expecting twins mid March or early April and trying to stock the freezer before their arrival.

  8. Made this for breakfast this morning and it is SO TASTY! I subbed Splenda brown sugar baking blend for the brown sugar and used a little extra apple (didn’t want to have extra partially chopped apple lying around) but otherwise didn’t make any tweaks. I love that it’s flavorful and rich but healthy and guilt free. Definitely going to try your other baked oatmeal recipes.

  9. I’ve made this recipe a few times now and in my opinion, it can’t be improved upon. It is breakfast perfection!! Thank you!

  10. I made this for the first time last weekend and it was one of the easiest and most delicious breakfast dishes I’ve ever made! I went ahead and doubled it so it would last the week – what an easy way to have breakfast in the morning! I’m looking forward to making this again and will certainly make it regularly for my family.

  11. This is absolutely fantastic! It tastes just as good reheated this morning as it did after it came out of the oven yesterday. Thanks so much for this great recipe!

  12. 5 stars
    Made this last night for my son. He wanted a healthier breakfast for work. Success!!! Thank you very much, excellent recipe. Trying the Peanut Butter, banana and honey granola next!! 🙂

  13. 4 stars
    I have made this many times, so I have played with the ingredients. I use unsweetened vanilla almond milk, PB2 instead of peanut butter, and I throw in flaxseed. Banana is a good addition.

  14. My neice made this and it was great I do wish your receipes had the nutrition value included for us diabetics 

  15. I was searching for baked oatmeal recipes and these photos stopped me in my tracks! Can’t wait till it comes out of the oven. Smells great!

  16. Found myself with a bunch of leftover sliced apples (no, they did not turn brown, I had soaked them in salt water solution to prevent them turning brown) after a party.  Looking for a way to use them up quickly, I came across your recipe for baked oatmeal. I love the peanut butter with sliced apples, so thought I would give this a try.  All I can say is, “WINNER!”
    I doubled recipe to a 9×13 pan and used all the apples I had, about 4 cups diced.  I also did not add the applesauce as I didn’t realize I had none till I had already started recipe.  It came out perfect in my opinion.  

  17. 5 stars
    This was so yummy! Nice texture and not too sweet. I made baked oatmeal from a different site and it was heavy and gummy. Not this one! Going to try some of your other variations next. Thanks for a new breakfast/snack option!

  18. 5 stars
    I look forward to making this recipe each year after going apple picking! Everything about this is perfect! Sometimes the apples don’t measure exactly to the recipe,I’ve added extra and had no problems! This is great for breakfast, a snack, or even for desert with some chocolate chips on top (they get melty and delicious and it’s heavenly)! Thanks for sharing such a winner!

  19. 5 stars
    I love this recipe and plan on making 2 9×13 pans for a brunch. Can I prep this the night begore and bake it in the morning?

  20. 5 stars
    Made a pan this morning for the first time and turned out great! I found this while looking for recipes to use up all the ingredients my old roommate left behind. That being said, I substituted some things just to use what I had. For anyone looking in the comments about substitutions, here were mine!
    -Cane sugar instead of brown sugar
    -Jif Chunky Peanut Butter instead of natural creamy PB
    -I left out the applesauce since I didn’t have any
    -I added a ton of raisins!
    -I also didn’t have an 8×8 so I doubled it and used a 9×13-I had to bake it for an extra 10 minutes
    Hope this helps someone!

  21. 5 stars
    I love this stuff!! I especially like it reheated the next day. The texture gets even better. The peanut butter and apple combo is tasty! Not sure how healthy it is though when I eat the whole pan….

  22. I make this all the time! Its my go-to recipe after my family goes apple picking. I always double the recipe because I can easily eat the 8×8 pan by myself! Its so delicious!

    1. 5 stars
      This is one of my favorite breakfast recipes. I’ve been making it for years. I always leave out the sugar as I don’t think it needs the extra sweetness.

  23. This was amazingly easy to put together and tastes heavenly! Would make a great family breakfast dish for holidays too. Can’t wait to try the blueberry coconut recipe!

  24. 5 stars
    This is one of my family’s most-requested recipes. It’s great for breakfast or as a snack. I especially like it reheated the next day. So good!!!!

  25. Making this tonight for breakfast tomorrow for my kids and I and wondering does this need to be refrigerated?

  26. 5 stars
    I’ve been making this for years, and it truly never disappoints. I first made it after going apple picking (and picking way too many) and looking for some ways to incorporate apples into regular meals without feeling too desserty. This one is perfect. Sometimes I double the recipe for a bigger pan. I’m shocked this recipe doesn’t have hundreds more comments/reviews because it really is that good. I always make this after apple picking, but also find myself making it when apples are on sale at the store or I’m just looking for something warm and cozy. It heats up so well- I add a splash of milk and microwave and then mix it up to make it like fresh oatmeal! Sometimes I also eat it for desert with chocolate chips on top. It really is that good! I’d highly recommend you make this easy, simple recipe made with mostly ingredients you probably have in your pantry!

  27. 5 stars
    I didn’t make this as written because I didn’t have any apples. I did have applesauce I wanted to use before it went bad. I guessed and used a bit over 1/2 cup of applesauce. The SO says it’s very repeatable.

  28. 5 stars
    This has been a family go-to for us for years. It’s made with ingredients I always have on hand, feeds a crowd (I always double it), and is so tasty! It’s also reheats well and makes a great snack.

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