Ingredients
1½cupsall-purpose flour,spoon & leveled
½tspground cinnamon
¾tspbaking soda
¾tspbaking powder
¼tspsalt
½cupgranulated sugar
6tbspunsalted butter,softened to room temperatur
1largeegg
1½cupsbananas,(about 3 large ripe bananas) mashed, very ripe
3tbspyogurt,I used vanilla greek yogurt
1tbspground cinnamon
¼cuppacked light sugar,or dark brown
¾cupsemi-sweet chocolate chips
½cupwalnuts,chopped, optional
Preparation
Preheat oven to 425 degrees F.
Line muffin tin with baking cups or spray with nonstick spray. Set aside.
Combine all ingredients in a small bowl. Set aside.
In a medium bowl, gently toss together the flour, cinnamon, baking soda, baking powder, and salt. Set aside.
Beat the sugar, butter, and egg in a large bowl until fluffy, scraping down the sides as needed.
If using a handheld mixer, beat in the mashed bananas and yogurt on low speed.
If mixing by hand, stir in the dry ingredients mixing until everything is just combined. Do not overmix.
Layer one scant tablespoon of batter into the muffin cup. Sprinkle with streusel.
Layer another spoonful on top and layer with more streusel. Continue to layer batter and streusel into each muffin tin.
Bake muffins for 5 minutes at 425 degrees F.
Lower temperature dial down to 350 degrees F.
Continue to bake for about 14 more minutes until the muffins are set and lightly browned.
Allow to cool for 5 minutes in the tins and transfer to wire rack to cool completely.