Published 3/25/2023 You just can’t go wrong with any baked oatmeal recipes! Check out all of our favorite baked oatmeal recipes here and get baking.

Blueberry Muffin Baked Oatmeal

This baked oatmeal recipe tastes just like a blueberry muffin! You’ll absolutely love the flavor and texture + it’s the perfect recipe to serve a crowd or save for easy breakfasts throughout the week.

for the Streusel Topping 

Quick-cooking oats oats & oat flour: this streusel topping is held together with a base of both quick-cooking oats and oat flour. Light brown sugar: brown sugar adds a delicious touch of sweetness to this streusel topping. Unsalted butter: make sure your butter is not only unsalted but cold! You’ll press the butter into the rest of the streusel topping ingredients until it creates a crumble. Vanilla extract: feel free to sub for almond extract for an alternate flavor. Delish!

For the baked oatmeal

Banana: we love using mashed banana in our baked oatmeal to add both moisture and flavor. Eggs: we have not tested this baked oatmeal with a flax egg. Honey & vanilla extract: all you need is a touch of sweetness from honey and vanilla extract for this blueberry muffin baked oatmeal. The natural sweetness from both the blueberries and the banana add so much! Unsweetened oat milk: feel free to sub for any dairy free milk if you prefer.

Quick-cooking oats & oat flour: can’t have baked oatmeal without oats! We’re using a combination of quick cooking oats and oat flour. Use certified GF oats to keep this recipe gluten free. Blueberries: you’ll need about 2 cups of blueberries for this baked oatmeal. We recommend using fresh for optimal flavor, but frozen will also work.

How to Make Blueberry Muffin Baked Oatmeal

Prepare streusel topping

Add the rolled oats, flour, brown sugar, butter, and vanilla extract to a mixing bowl. Use a spoon (or your hands work best!) and cut the ingredients together until a crumble forms. Meal-prep or serve a crowd: Make a batch or two of this baked oatmeal and freeze some for later or serve a large group at one time. Kid friendly: This baked oatmeal tastes like a blueberry muffin and is kid-approved!

Combine wet ingredients

In a large bowl, mash 1 very ripe banana until liquidy. Then, add eggs, vanilla extract, honey, and oat milk and mix until smooth.

Add dry ingredients

Add rolled oats, flour, baking powder, salt, and blueberries and mix until everything is thoroughly combined.

Bake

Transfer the batter into a 9×9-inch baking dish and top with the streusel topping—cover and bake at 375ºF for about 30 minutes. PS: you can also use frozen berries, too! Remove the tin foil and bake for an additional 10 minutes.

let cool & enjoy!

Let the oatmeal bake cool for about 10 minutes before serving. Enjoy!

Storage

Store your blueberry muffin baked oatmeal in the refrigerator for up to 5 days. While you can leave it out overnight, it will last much longer in the fridge.

Guide to Overnight Oats

This is our guide to overnight oats. In this post, we’ll teach you how to make overnight oats and how to flavor them, too! We have a base recipe that we swear by and have tested 8 simple flavor variations so that you don’t get bored. To freeze baked oatmeal, let it cool completely. Then tightly wrap each piece with a piece of tin foil and remove as much air as possible. Freeze for up to 3 months.

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