Blueberry Baked Oatmeal Recipe (2024)

40 minutes mins


4.86 from 154 votes

Jump to Recipe | Updated: | by Nora

Blueberry Baked Oatmeal is an easy, healthy breakfast you can prep the night before. Perfect for a stress-free weekday breakfast!

Blueberry Baked Oatmeal Recipe (1)

We love oatmeal around here – in baked oatmeal, in overnight oats, in breakfast cookies… I have a few versions of baked oatmeal here on the blog that are super delicious already, but a blueberry one was definitely missing!

This works great with both fresh or frozen blueberries, so it’s a wonderful make ahead breakfast all year round. You can even switch up the berries if you’re feeling adventurous – raspberry is a firm favorite over here, too!

You can prep this the night before for an easy morning, but if you want to bake it right away, I’ve included some instructions below.

Ingredients in baked oatmeal

Here is a visual overview of the ingredients in the recipe. Scroll down to the printable recipe card at the bottom of this post for quantities!

Blueberry Baked Oatmeal Recipe (2)

Ingredient notes

  • Eggs:Instead of whole eggs, you can also use 3 large egg whites. I have never tried making a vegan version without eggs, so I can’t recommend any substitutions here.
  • Sweetener:Use 1-2 tablespoons of a Stevia or Erythriol blend to sweeten the oatmeal if you want to make it sugar-free.
  • Oats: I always use old fashioned. Quick oats work OK, too, they’re just a little moister. Please do not use instant oats.
  • Blueberries: I always use frozen because they’re more budget-friendly. You can use fresh if you want to.
  • Milk: Cow’s milk or unsweetened almond work best here.

Steps to make baked oatmeal

Blueberry Baked Oatmeal Recipe (3)

Steps to make baked oatmeal with blueberries:

1) Combine all ingredients except for the blueberries in a large bowl.

2) Spread half in a lightly greased casserole dish and sprinkle with ¾ of the blueberries.

3) Cover with the remaining oat mixture, then

4) sprinkle with remaining blueberries and more walnuts if desired.

5) Chill covered in the fridge overnight, then bake in the morning.

Blueberry Baked Oatmeal Recipe (4)

Recipe tips

  • No grey oatmeal:I usually don’t stir the blueberries into the oats, but but sprinkle them on top, to keep the oatmeal from turning all weirdly grey.
  • Bake without soaking overnight: Make sure to use quick-cooking oats, let the assembled oats sit on the counter for 10 minutes while you preheat the oven, and live with the fact that it’s a little less cake-like ?

Serving suggestions

Some of my family members prefer theirs in a bowl with milk and use a spoon to eat their oatmeal.

Others like it cake-style, with a few spoonfuls of Greek yogurt and a fork. And one particular tiny person might like it best cold, slathered with peanut butter ?

I let them do whatever they want, as long as they get their own stuff and put it back again after breakfast, ha!

Blueberry Baked Oatmeal Recipe (5)

More baked oatmeal recipes

  • The Best Baked Oatmeal
  • Pumpkin Baked Oatmeal
  • Cinnamon Apple Baked Oatmeal
  • Chunky Monkey Baked Oatmeal Cups (Banana Chocolate Chip Walnut)

PSIf you try this recipe, please leavea review in the comment section and add a star rating in the recipe card – I appreciate your feedback! Follow along onPinterest,FacebookorInstagram.

Printable recipe

Printable Recipe Card

Blueberry Baked Oatmeal Recipe (10)

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Blueberry Baked Oatmeal

You can prep this easy baked oatmeal recipe the night before for an easy morning, but if you want to bake it right away, I've included some instructions in the notes section below.

Recipe by Nora from Savory Nothings

made it? tap the stars to add your rating!

4.86 from 154 votes

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Recipe details

Prep 10 minutes mins

Cook 30 minutes mins

Chilling time 5 hours hrs

Total 40 minutes mins

Servings 6 servings

Difficulty Easy



  • 2 cups old fashioned oats
  • ¾ cup milk
  • 1 cup unsweetened applesauce
  • ¼ cup chopped walnuts
  • 2 large eggs see notes for substitute
  • ¼ cup maple syrup OR brown sugar
  • 2 teaspoons pure vanilla extract
  • 1 ½ teaspoons cinnamon
  • ½ teaspoon baking powder
  • ¼ teaspoon salt
  • 2 cups blueberries fresh and frozen both work


  • Mix the ingredients: Add the oats, milk, applesauce, walnuts, eggs, maple syrup, vanilla, cinnamon, baking powder and salt to a large bowl. Mix well.

  • Layer in a casserole dish: Lightly grease a 7×11 inch rectangular baking dish. Spread half the oat mixture in the bottom of the dish. Sprinkle with about ¾ of the blueberries. Top with the remaining oat mixture, carefully smoothing the top. Sprinkle on the remaining blueberries. You can also sprinkle on some extra walnuts if you like!

  • Chill the dish: Cover the casserole dish and chill in the refrigerator overnight (see notes for instructions to bake right away)

  • Bake the dish: The next morning, remove the dish from the fridge. Preheat the oven to 350°F. Bake until set and golden on top, about 30-35 minutes. Rest for 5 minutes on a rack on the counter, then slice and serve warm.

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Ingredient Notes:

Eggs: Instead of whole eggs, you can also use 3 large egg whites. I have never tried making a vegan version without eggs, so I can’t recommend any substitutions here.

Sweetener: Use a Stevia blend to sweeten the oatmeal if you want to make it sugar-free.

Baking Tips:

No grey oatmeal: I usually don’t stir the blueberries into the oats, but but sprinkle them on top, to keep the oatmeal from turning all weirdly grey.

Bake without overnight chill

Easy: Make sure to use quick-cooking oats, let the assembled oats sit on the counter for 10 minutes while you preheat the oven, and live with the fact that it’s a little less cake-like ?


Serving: 1servingCalories: 254kcalCarbohydrates: 42gProtein: 7gFat: 6gSaturated Fat: 1gCholesterol: 56mgSodium: 135mgPotassium: 315mgFiber: 4gSugar: 18gVitamin A: 175IUVitamin C: 5.2mgCalcium: 101mgIron: 1.8mg

Nutrition is an estimate.

More recipe information

Suitable for: Vegetarian

Course: Breakfast

Cuisine: American

Large step by step photos

I just use a large bowl, measure out all my ingredients, dump them in the bowl and stir with a wooden spoon until they’re combined. Well, that’s pretty much the recipe ?

Blueberry Baked Oatmeal Recipe (11)

I’m using a 7×11 rectangular baking dish. You could also do individual muffin cups! I prefer layering my baked oatmeal vs stirring the blueberries into the whole mix. This a) helps prevent blueberries sticking to the bottom of the baking dish like glue and b) doesn’t turn your baked oatmeal a ghastly grey color.

First, I spread half the oat mix in the bottom of the baking dish. It’s smart to just lightly grease the dish, but I often forget.Then I layer on most of the blueberries.

Blueberry Baked Oatmeal Recipe (12)

THEN I add the rest of the oat mixture…

Blueberry Baked Oatmeal Recipe (13)

and scatter with a few remaining blueberries and some extra chopped walnuts for pretty looks. This is not necessary, but it does look nice.

Blueberry Baked Oatmeal Recipe (14)

This is what it looks like after an overnight rest IN THE REFRIGERATOR:

Blueberry Baked Oatmeal Recipe (15)

Then you just pop it in the oven and pat yourself on the back for being so organized ?

Blueberry Baked Oatmeal Recipe (16)
Blueberry Baked Oatmeal Recipe (17)

More blueberry recipes

  • Blueberry Oatmeal Pancakes
  • Blueberry Oatmeal Muffins
  • Almond Blueberry Overnight Oats
  • Buttermilk Blueberry Scones

Recipe first published in 2018. Republished in July 2020 to make it more helpful.

Blueberry Baked Oatmeal Recipe (2024)


Why is my baked oatmeal gummy? ›

Oats absorb moisture as they sit—so if you let your batter sit before you bake, you'll run the risk of making a dense, thick, gummy baked oatmeal (when you really want a light, fluffy one), she explains.

Is baked oatmeal good for you? ›

It's also full of fiber and protein, making it a healthy breakfast option. Baked oatmeal is a great blank canvas that you can jazz up with any number of add-ins. We suggest raisins, nuts, chocolate chips, and fresh fruit, but the possibilities are truly endless.

What's the difference between baked oats and oatmeal? ›

Tips for making baked oats

The difference between baked oatmeal and baked oats is all in the texture. And getting that cake-like texture comes from adding the egg, but also blending the ingredients well.

How many days is baked oatmeal good for? ›

Storage Tips

Refrigerate leftover baked oatmeal for 5 to 7 days, either wrapped in the baking pan or in an airtight container. To Reheat. Bake the oatmeal in a 350 degree F oven until it's warmed through, or simply heat it up in the microwave.

How do you fix gluey oatmeal? ›

How to fix gluey oatmeal. If the oatmeal is too thick and dry, add water by the tablespoon until the oatmeal is soft to your liking. If the oats are still undercooked, stir water into the mixture and microwave for 1-2 minutes. To add more fat, flavor and texture, add milk or a plant-based alternative after cooking.

How do you make oatmeal not gluey? ›

The method is pretty simple. Instead of a 2-1 ratio of water to oats that most manufacturer's recommend, use a 1-1 ratio. Equal parts of oats and water will allow the oats to absorb all the liquid and be slightly al dente. No mush.

Is it OK to eat baked oats everyday? ›

Oatmeal's high fiber content and prebiotic qualities may benefit your body in more ways than one. Making oatmeal a regular part of your menu can potentially lower your disease risk, help your gut health thrive, make bowel movements easier and keep you feeling fuller for longer.

Is it OK to eat oatmeal cookies everyday? ›

Both whole grain oats and raisins are a good source of fiber. The presence of whole grain oats will also help you stay fuller longer. That said, oatmeal raisin cookies are still cookies with higher butter and sugar content than other snacks, so they should only be considered a healthy snack in moderation.

Which is better overnight oats or baked oats? ›

Additionally, overnight oats retain more of their natural nutrients since they are not exposed to high heat during the cooking process. Cooked oats, on the other hand, have a higher glycemic index compared to overnight oats. This means they may cause a more rapid increase in blood sugar levels.

Is oatmeal better for you than potatoes? ›

Compare 100 calories of baked potato to 100 calories of oatmeal, and you find a bit less protein (3 grams vs. 4), a bit more starch (18 grams vs. 16) and a similar mineral profile (potatoes have more potassium, but oats have more selenium). But potatoes beat out oats in just about every vitamin, as well as fiber.

Which oatmeal is best for baking? ›

Old Fashioned: Also called rolled oats, old fashioned oats are flat and flakey. They absorb more water and cook faster than steel-cut oats — usually in about 5 minutes — and are the oat of choice for granola bars, cookies, and muffins.

What is the healthiest version of oatmeal? ›

Steel-cut oats, also called Irish oatmeal, are the whole oat kernel that has been cut into two or three pieces using steel disks. This type of oats contains the highest amount of fiber, as it is least processed. Steel-cut oats take a little longer to cook, and result in a creamy and chewy porridge.

Should you refrigerate baked oatmeal? ›

if you want to double the recipe, make it in a 9×13-inch pan and double the ingredients. Feel free to add nuts or use fresh or frozen fruit instead of the dried fruit. Store the baked oatmeal in the refrigerator for up to 7 days. You can also freeze it for up to 3 months.

Is oatmeal good for a diabetic? ›

A cup of cooked oatmeal (1/2 cup of dried oats) contains approximately 30 grams of carbs, which can fit into a nutritious meal plan for people with diabetes. Oatmeal is high in fiber and nutrients but low in saturated and trans fats and sugar and can help you maintain a healthy blood sugar level.

Do you have to put baked oatmeal in the fridge? ›

Do you have to refrigerate baked oatmeal? Baked oatmeal contains dairy and eggs which means that it should be stored in the refrigerator. Cover your baking dish with foil or plastic wrap, then place the oatmeal in the fridge until you're ready to enjoy it.

Is oatmeal supposed to be gummy? ›

Oats cooked in milk tend to be gluey, sticky, and thick. Follow this tip: Cook your oats in water for the best texture. If you're hoping for a protein boost from milk (which is definitely why my dad always instructed me to cook oats in milk), add a splash after cooking.

Why does oatmeal get gelatinous? ›

One possible reason is that the oats were not fully rinsed before being mixed with the liquid ingredients. Oats naturally contain a type of starch called beta-glucan, which can give them a slimy texture if it is not washed off properly.

Is oatmeal supposed to be gluey? ›

When cooked correctly, oatmeal should have a hearty, slightly chewy texture and creamy consistency. It should never be watery or 'gluey'.

Why is oatmeal so goopy? ›

Soupy oatmeal can occur if you've added too much liquid or if you've used quick-cooking oats that absorb less liquid. Adjust the ingredients and cooking time to reach your desired thickness.


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