Cinnamon Oatmeal Streusel Muffins
These Cinnamon Oatmeal Streusel Muffins make for the perfect breakfast or on-the-go snack. They are soft, fluffy, and full of hearty oats and cinnamon flavours in each bite! They are sprinkled with an oatmeal sugar streusel that crisps up in the oven and creates the perfect muffin top.
Ingredients
For the muffin batter
- 1 1/2 cups all-purpose flour
- 1 1/4 cups rolled oats or large flake oats
- 1 tsp baking soda
- 1 1/2 tsp baking powder
- 1 tbsp cornstarch
- 1/4 tsp salt
- 2 tsp cinnamon
- 1/8 tsp nutmeg optional
- 1/8 tsp cloves optional
- 3/4 cups dark brown sugar*
- 1 tbsp vanilla
- 1/2 cup oil
- 2 eggs room temperature
- 3/4 cups full-fat sour cream room temperature
- 1/2 cup milk room temperature
For the oatmeal streusel
- 1/2 cup all-purpose flour
- 4 tbsp butter softened
- 1/4 cup white sugar
- 2 tbsp dark brown sugar
- 1/4 cup large flake oats
- 1/2 tsp cinnamon
Instructions
For the streusel
- In a medium sized bowl, add flour, white sugar, dark brown sugar, cinnamon, rolled oats, and softened butter. Using your hands, mix this until crumbly and combined. Set aside while you make the muffin batter.1/2 cup all-purpose flour, 4 tbsp butter, 1/4 cup white sugar, 2 tbsp dark brown sugar, 1/4 cup large flake oats, 1/2 tsp cinnamon
For the muffins
- Preheat the oven to 375℉. Line a muffin liner with 12 liners and set aside.
- In a medium-sized bowl, add in flour, cinnamon, nutmeg, cloves, oats, salt, cornstarch, baking powder, and baking soda. Using a spatula, mix until combined. Set aside.1 1/2 cups all-purpose flour, 1 1/4 cups rolled oats, 1 tsp baking soda, 1 1/2 tsp baking powder, 1 tbsp cornstarch, 1/4 tsp salt, 2 tsp cinnamon, 1/8 tsp nutmeg, 1/8 tsp cloves
- In another large bowl, whisk oil, eggs, milk, vanilla, sour cream, and brown sugar. Whisk until well combined.3/4 cups dark brown sugar*, 1 tbsp vanilla, 1/2 cup oil, 2 eggs, 3/4 cups full-fat sour cream, 1/2 cup milk
- Add the dry into the wet and using a spatula, gently fold until a soft batter forms.
- Evenly divide the batter between 12 liners, they should be almost or all the way full. Using a cookie scooper helps big time to minimize the mess. Sprinkle a handful of streusel on top.
- Bake the muffins at 375°F for 25-30 minutes. The muffins are ready when a toothpick inserted comes out dry with no wet batter.
- Allow to cool, and enjoy!
Notes
*Brown sugar - This recipe is not meant to be sweet, it is more of a breakfast-style muffin. If you are looking to sweeten them up, add in 1/4 cup (50g) more of brown sugar.