Step 1

Preheat the oven to 375°F and line a muffin pan with paper liners or grease it with nonstick baking spray.

Step 2

In a medium bowl, add the old fashioned oats, flour, baking powder, pumpkin pie spice, and salt and stir to combine well.

Step 3

In a large mixing bowl, add the pumpkin puree, brown sugar, milk, oil,eggs, and vanilla and whisk until smooth.

Step 4

Gradually add the dry ingredients to the wet ingredients and mix just until barely combined. Be careful not to over mix or the muffins will be more dense instead of fluffy.

Step 5

Fill the the muffin cups about ¾ of the way full with the batter.

Step 6

In a small bowl, add the flour, old fashioned oats, brown sugar, and cinnamon and stir to combine.

Step 7

Add the softened butter and use a fork to mix the butter into the flour mixture until all the dry ingredients are coated in butter and it forms clumps. (you can also use your fingers)

Step 8

Sprinkle about a tablespoon of the streusel topping over the uncooked batter

Step 9

Bake for 18-22 minutes or until a toothpick inserted into the center comes out clean.

Step 10

Remove from the oven and place the muffins on a wire cooling rack to cool.