3 sliced oatmeal bars on a bamboo cutting board with extra fruit around the edge (with logo overlay)

Make-Ahead Oatmeal Breakfast Bars

Oatmeal Breakfast Bars are perfect for making on a Sunday evening to have a quick, go-to breakfast all week long that will keep you full.

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I’m always trying to find new ideas for breakfast, it’s our least exciting meal of the day here. Typically we all just have a quick bowl of cereal. Every now and then we go wild and have some oatmeal! Knowing that I tried to figure out a way to make oatmeal breakfast bars for the family.

So I started looking online for other recipes that we could do that don’t take too long in the morning. I came across a recipe for fruit oatmeal bars and figured we would give it a try! We were skeptical at first, but they were really good and we have made them a few times since then. They keep in the refrigerator really well so we can grab them out in the morning, which is my kind of breakfast!

Young boy leaning on a granite countertop

Tips for Make-Ahead Oatmeal Breakfast Bars

If you are using frozen fruit for this recipe, make sure it is completely thawed before cooking. You can also substitute other fruits as desired. Strawberries, blueberries, and bananas are our fruits of choice here.

One of the best parts about this breakfast is the make-ahead aspect. I like to make these bars in the evening when I have a little bit more time, then they are ready in the morning for breakfast. You can eat them cold straight from the refrigerator, or warm them in the microwave. I like to reheat mine for about 10 seconds. It’s just enough to take the chill out but still have a cold breakfast.

Tyler has asked if I could pack one in his lunchbox the next time we make oatmeal breakfast bars. Since they are good warm or cold, I don’t see why they wouldn’t still be good by lunchtime. Especially if you send a freezer pack in their lunchbox like I usually do.

Make-Ahead Oatmeal Breakfast Bars Step by Step


  • 2 1/2 cups natural oats
  • 1/2 cup chocolate chips
  • 1/2 tsp salt
  • 1/3 cup brown sugar
  • 1 tsp baking powder
  • 1 tsp Cinnamon
  • 1 tsp vanilla
  • 2 cups milk
  • 1 egg
  • 2 tbsp butter (melted)
  • 1 cup strawberries
  • 1 cup blueberries
  • 2 bananas
  • 1-2 tbsp brown sugar


Preheat your oven to 375F. Generously spray a 9×13 baking dish with cooking spray. I learned the hard way the first time I made this recipe that they will stick to the edges if you don’t have enough grease in there. In a large bowl, mix your oats, brown sugar, baking powder, cinnamon, salt, half of the chocolate chips, and half of the fresh berries.

Young boy slicing strawberries on a green cutting board
Young boy mixing ingredients with a red spatula in a stainless steel mixing bowl

Pour the fruit mixture into the greased baking dish and spread it out evenly.

Slice both of the bananas and layer them on top of the mixture without overlapping and covering as much of the mixture as possible.

Two young boys placing bananas in a layer on oatmeal breakfast bars in a glass baking dish

Top the bananas with the remaining berries and chocolate chips, again spreading out as evenly as possible.

Two small hands adding a layer to oatmeal breakfast bars

In a medium mixing bowl, whisk the milk, egg, butter, and vanilla extract.

Young boy whisking ingredients in a stainless steel mixing bowl

Pour the egg mixture over the berries, ensuring that the oats are evenly soaked.

Bake the oatmeal bars for about 30 minutes. Remove from the oven and sprinkle 1-2 tbsp of brown sugar over the entire dish. Bake for an additional 10 minutes or until the top of the casserole is golden brown.

Allow the bars to cool for a few minutes before cutting. Store in the refrigerator and enjoy for a few days.

3 sliced oatmeal bars on a bamboo cutting board with extra fruit around the edge (vertical)


Originally Published On: February 7, 2016

Last Updated On: October 26, 2021

3 sliced oatmeal bars on a bamboo cutting board with extra fruit around the edge

Oatmeal Bars Recipe

Oatmeal Breakfast Bars are perfect for making on a Sunday evening to have a quick, go-to breakfast all week long that will keep you full.
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings: 12 bars
5 from 6 votes


  • 2 1/2 cups natural oats
  • 1/2 cup chocolate chips
  • 1/2 tsp salt
  • 1/3 cup brown sugar
  • 1 tsp baking powder
  • 1 tsp Cinnamon
  • 1 tsp vanilla
  • 2 cups milk
  • 1 egg
  • 2 tbsp butter (melted)
  • 1 cup strawberries
  • 1 cup blueberries
  • 2 bananas
  • 1-2 tbsp brown sugar


  • Preheat oven to 375F
  • Spray a 9×13 baking dish generously with cooking spray
  • In a large bowl, mix oats, brown sugar, baking powder, cinnamon, salt, half the chocolate chips, and half the fresh berries and stir well
  • Pour evenly into the baking dish
  • Slice the bananas and add to the top of the mixture
  • Add the other half of the berries and chocolate chips
  • Combine the milk, egg, butter, and vanilla extract in a separate bowl and whisk thoroughly
  • Pour egg mixture on top of oatmeal, ensuring the oats are soaked evenly
  • Bake for 30 minutes.
  • Remove and add a tablespoon of brown sugar to the top of the casserole
  • Bake for an additional 10 minutes or until the top of the casserole is golden brown
  • Allow oatmeal bars to cool before cutting
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Nutrition Facts
Oatmeal Bars Recipe
Amount Per Serving (1 bar)
Calories 270 Calories from Fat 63
% Daily Value*
Fat 7g11%
Saturated Fat 3g15%
Cholesterol 23mg8%
Sodium 144mg6%
Potassium 207mg6%
Carbohydrates 43g14%
Fiber 5g20%
Sugar 17g19%
Protein 7g14%
Vitamin A 180IU4%
Vitamin C 10mg12%
Calcium 102mg10%
Iron 1.8mg10%
* Percent Daily Values are based on a 2000 calorie diet.

All nutritional information is based on third-party calculations and should be considered estimates. Actual nutrition content will vary based on brands used, measuring methods, portion sizes, and more.

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44 thoughts on “Make-Ahead Oatmeal Breakfast Bars”

    1. I do add some chocolate chips in these, but you could always take them out if you want. I’ve made it both ways and it’s delicious either way. My boys prefer the chocolate chips and it gets them to eat all of that fruit, so we take it as an even swap 🙂

  1. I am going to look so fancy when I bring my homemade oatmeal bar to work. Thanks for sharing, I hope it turns out great.

  2. I’ve never thought of making oatmeal bars by myself. Your instruction is clear and easy to follow so I think I should try this out. I hope it will live up to my expectation!

  3. This looks amazing!!! Unfortunately my stomach has become really sensitive the past couple years, especially to fruits and oats ☹️. Looks so good though!!

    1. Oh that’s such a great idea! My boys are still too messy of eaters in the car but as they get older I’ll have to remember to make something like this for our many road trips every year.

  4. These look really good! I have a slight addiction to good breakfast foods and this will definitely be something I try. Thanks for the post showing me how to make them.

  5. Oh my goodness these look delicious! Kimmie is still on her cooking streak, so maybe the next time she’s restless to cook something but doesn’t know what, I can get her to try this recipe.

  6. 5 stars
    This is such a great idea! I never would have thought to make these, but they look amazing and would be so helpful during the school year when I am in a hurry and need made ahead breakfasts for the kids!

  7. Besides these oatmeal bars looking absolutely delicious and perfect for breakfast OR a lunch snack like you stated is the quality time it looks to provide. I love that the kids can be there helping every step of the way! My kids love cooking with me and I know they will LOVE to make these awesome oatmeal bars with me. I will buy the ingredients this weekend!

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