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Home » Recipes » Breakfast & Brunch

Breakfast Oatmeal Squares

By: Kathryn Doherty | Last Updated: Mar 10, 2025 | Published: Jun 28, 2015
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Breakfast oatmeal squares can be made ahead for busy mornings and the topping options are endless!

A round wooden board with five breakfast oatmeal squares each with different toppings.


 

We love these breakfast oatmeal squares! Or you can make them circles. Or hearts. Just get a cookie cutter instead of a knife.

Whatever shape, this make-ahead breakfast means you’ve got something ready to go on those busy mornings. I don't know about you, but they’re pretty much all busy around here!

We love our 3-minute easy microwave oatmeal, but sometimes I like to make big batches and have them on hand and ready to go.

Plus, the way these set up, you can send them into school for snack or lunch.

And you can freeze some of these oatmeal squares to have for travel or back-up.

I’ve written the recipe below plain so you can dress up the squares however you like.

A large pot of creamy cooked oatmeal.
A square glass baking dish with oatmeal pressed into it.

If you like a little sweetness with your morning oats, you can cook the oats in half water, half milk and then add a little honey (or maple syrup or even brown sugar) to the oats after they cook, while they’re sitting in the pot.

For my kids, I sometimes stir in a little applesauce (plain or peach) before I chill these. Or a bit of pumpkin and then we top them with peanut butter.

You also can top these oatmeal squares with a drizzle of honey, a sprinkle of cinnamon, some fresh berries, a smear of peanut butter, a dollop of yogurt - whatever you fancy!

An oatmeal square topped with peanut butter and mini chocolate chips on a black plate with a bowl of strawberries to the side.
An oatmeal square topped with walnuts and honey on a black plate with a bowl of strawberries to the side.
An oatmeal square topped with yogurt and blueberries on a black plate with a bowl of strawberries to the side.
An oatmeal square topped with applesauce and cinnamon on a black plate with a bowl of strawberries to the side.
An oatmeal square topped with peanut butter and sliced bananas on a black plate with a bowl of strawberries to the side.

If you like your oatmeal savory, keep it plain as instructed below and then top it off with your favorites.

I’m partial to eggs and soy sauce, but there’s also cheese, veggies and nuts as good savory toppings.

That seems crazy to some people, but I say, don't knock it till you try it!

A round wooden plate with five oatmeal squares, each with different toppings, with strawberries in the middle.

You can serve these cold (my kids sometimes want them that way) or warm them up in the microwave for 20-30 seconds.

You’ll love having these on hand to customize for your crew! And to make your mornings a little easier and less stressful.

Enjoy!

XO,

Kathryn

A round wooden board with five breakfast oatmeal squares each with different toppings.
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4.05 from 68 votes

Breakfast Oatmeal Squares

Breakfast oatmeal squares can be made ahead for busy mornings and the topping options are endless!
Prep Time5 minutes mins
Cook Time5 minutes mins
Total Time10 minutes mins
Yield: 9 large oatmeal squares

Ingredients

  • 2 cups oats (I use old-fashioned oats)
  • 4 cups water

Instructions

  • Bring water to a boil in a large pot. Add oats and reduce heat to medium.
  • Cook for 5 minutes, then cover and let sit for 3-5 minutes.
  • Pour oatmeal into a greased 8x8 or 9x9 pan. Cool then cover and refrigerate overnight.
  • Cut a square - or circle or whatever shape you like - and add desired toppings. (See notes below for ideas.)

Notes

Topping and flavor variations:
  • Stir in applesauce and cinnamon after oats are cooked.
  • Stir in pumpkin after oats are cooked and after set, top with peanut butter.
  • Stir in peanut butter and top with jam or chocolate drizzle.
  • Stir in honey (or maple syrup or brown sugar) and top with fruit and/or yogurt.
  • Serve savory with eggs and soy sauce, or cheese and veggies.

Nutrition

Serving: 1serving | Calories: 68kcal | Carbohydrates: 12g | Protein: 2g | Fat: 1g | Polyunsaturated Fat: 1g | Sodium: 5mg | Fiber: 2g
Tried this recipe?Leave a comment below or follow me on Instagram @familyfoodonthetable and tag me in your photo!
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Reader Interactions

Comments

  1. Cheyanne @ No Spoon Necessary

    June 28, 2015 at 5:51 pm

    These oatmeal squares are a terrific idea for busy morning! I love that they kinda of look like a rice crispy treat, so they could fool a little one into at least giving something healthy a try! So creative and delish! Thanks for sharing, my dear!! Cheers!

    Reply
    • Kathryn

      June 28, 2015 at 8:16 pm

      Thanks girl! They are a lifesaver on our busy weekday mornings! And everyone can pick their toppings, so we're all happy 🙂

      Reply
  2. Nance in Reno

    August 23, 2015 at 3:14 pm

    I have a baked oatmeal recipe that uses nuts and dried fruit; I like to use muffin tins and paper liners to make individual portions and freeze what we don't use.

    Reply
    • Kathryn

      August 23, 2015 at 8:07 pm

      Great idea! I love using muffin tins for freezing - such a perfect portion size and an easy way to store leftovers!

      Reply
  3. Debbie

    February 19, 2016 at 12:01 am

    I have to use gluten free oats? Do you know if there is any change to the recipe?

    Reply
    • Kathryn

      February 19, 2016 at 10:12 am

      Hi Debbie! You should be fine with the recipe as-is if you have gluten-free rolled oats (not instant). Would love to hear how you like these!

      Reply
  4. Julie

    December 20, 2018 at 7:05 am

    This sounds so delicious. What is the cooking temperature?

    Reply
    • Kathryn

      December 21, 2018 at 8:02 am

      Hi Julie! These oatmeal squares aren't baked. The oatmeal is cooked on the stove and then sets up in the pan in the fridge. Then you can cut them, reheat in the microwave or enjoy cold.

      Reply
  5. Taenia

    April 18, 2022 at 7:41 am

    For this receipe what is the amount that you add of the pumpkin, maple syrup or brown sugar?

    Reply
    • Kathryn Doherty

      April 20, 2022 at 7:24 am

      Hi! Those are just topping ideas, not part of the recipe, so you can add however much you like to your serving.

      Reply
  6. Carol Rhodes-Rice

    February 23, 2023 at 12:32 pm

    I tried this recipe and they didn't set up. They are gooey and loose. I did cook them the prescribed time too?

    Reply
    • Kathryn Doherty

      February 24, 2023 at 8:23 am

      Hmm, I'm not sure why they wouldn't set up for you Carol. Cooked oatmeal, once cooled and refrigerated, always gets much more solid and set.

      Reply
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Hi there! I’m Kathryn Doherty, a cookbook author, mom of two, and devoted food and home cooking nut. I’ve got lots of easy recipes to help you get delicious food on the table for your family!

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