Pre-heat oven to 350°F and line or grease muffin tins (approximately 18).
To create the streusel, use a rubber spatula to combine the brown sugar, granulated sugar, cinnamon, butter, and flour (use the amounts listed under streusel, not the muffins). Pea sized balls or smaller will form. Set aside.
For the muffins, combine the flour, baking powder, baking soda, salt, cinnamon, brown sugar, and granulated sugar in a mixing bowl.
In a separate bowl, mash the bananas using a fork.
In a second mixing bowl, whisk together the melted butter, eggs, and vanilla.
Add the wet ingredients to the combined dry ingredients. Mix with a spatula until just incorporated (do not overmix).
Fold in the mashed bananas and chopped walnuts.
Using a 1 inch ice cream scoop, fill muffin tins with 1.5 scoops. If you do not have a scoop, fill approximately 2/3 of the liner.
Top each muffin with approximately 1 tablespoon of streusel.
Bake for 16-20 minutes, until edges are slightly golden brown and tops bounce back when lightly touched.
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Banana Nut Muffins with Streusel https://www.forkinthekitchen.com/banana-nut-muffins-with-streusel/ November 5, 2015