5-Minute Oatmeal Streusel Topping
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If you love a little extra crunch on your baked goods, this Oatmeal Streusel Topping is for you! Made with oats, brown sugar, flour, and butter, this simple topping comes together in just minutes and bakes up golden, buttery, and perfectly crisp. Sprinkle it over muffins, baked oatmeal, crisps, coffee cakes, and more for an easy way to take your favorite recipes to the next level.

This easy oat streusel topping is one of my favorite recipes to make to top any muffin, any crumb cake, and any fruit crisp I bake. It’s buttery, crumbly, and full of hearty oats to add flavor and texture. Adding this recipe, or my regular cinnamon streusel topping to a recipe automatically makes it a million times better.
Many of my favorite muffin recipes would be excellent candidates to receive this oat streusel topping before baking! I feel like I’m qualified to say (I’ve certainly eaten enough muffins) that a crumble topping on a muffin is the best part of the pastry!

Oats Add Flavor and Texture
I love adding old-fashioned oats to a streusel topping to add a heartier, chewier texture instead of being purely soft and crumbly. It gives it this rustic, more substantial taste to it. It also works to balance out the sugars in this recipe, so you get more of a nutty taste to your streusel.
I only tested this with rolled or old-fashioned oats, but quick oats should work fine in place of rolled oats. Be aware that they will change the texture of your crumble a bit!



5 Minutes to Make
This recipe is so easy to make, all you have to do is whisk together the dry ingredients in a bowl, and add melted butter. I typically melt my butter in the microwave, but you can do it on the stovetop as well.
Mix this together until all the dry ingredients are moistened and the mixture is crumbly. Some bigger crumbs are fine to leave! Once you’re done mixing it together, it can be used on any recipe immediately, or it can be stored and used at a later date. I currently have a batch of this in my freezer right now for the next time I need it!

Ways to Use Streusel Topping
Boy, do I have a long list of recipes this streusel topping would be so amazing on. Here are just a few!
- any muffin recipe! Muffin batter is typically thick, so it’s perfect to withstand the crumble on top while baking!
- crumb cake, coffee cake, buckle cakes- all kinds of cakes!
- fruit crisps
- banana bread or any other quick bread recipes
- any baked oatmeal recipe
- french toast casseroles
- scones
If you made this recipe, I would love to know what you thought! Leave me a star rating and a comment below – I read them all! ⭐️ Your reviews not only help my business but other bakers as well!
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5-Minute Oatmeal Streusel Topping
Ingredients
- 6 tbsp (6 tbsp) butter, melted and slightly cooled
- 1 cup (125 g) all-purpose flour, spooned and leveled
- ½ cup (40.5 g) old fashioned oats
- ⅓ cup (73.33 g) light brown sugar, packed
- ⅓ cup (66.67 g) granulated sugar
- ¾ tsp (0.75 tsp) cinnamon
Equipment
Instructions
- Melt the butter in the microwave or on the stovetop. Once completley melted, set aside to cool.6 tbsp butter
- In a small bowl, whisk together the flour, oats, brown sugar, sugar, and cinnamon until combined.1 cup all-purpose flour, ½ cup old fashioned oats, ⅓ cup light brown sugar, ⅓ cup granulated sugar, ¾ tsp cinnamon
- Pour in the melted butter, and mix until it comes together into a sandy mixture that is slightly moist. Some big chunks are fine to leave.6 tbsp butter
- Use immediately on your favorite recipe, or store for later.
Notes
- oat streusel can be stored in an airtight container in the fridge for up to a week, or in the freezer for up to 3 months.
- If freezing, remove from the freezer and place in the fridge to defrost.
- When using on baked goods, you can put the streusel on top while still cold from the fridge.
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