Banana Streusel Muffins with Oatmeal and Pecans

Easy and super delicious, this is yet another way to use those overripe bananas.  Enjoy!
This recipe yields about 26 muffins.
For muffins:
-2 large eggs
-1/3 cup packed brown sugar
-2 tsp baking soda
-1/2 tsp salt
-1/2 tsp cinnamon
-4 overripe bananas
-1/2 cup apple sauce
-1/4 cup vegetable oil
-1 tsp vanilla extract
-1 1/2 cups flour
-1/2 cup quick oats
-1/3 cup chopped pecans
For streusel:
-2 Tbs unsalted butter, softened
-5 Tbs flour
-2 Tbs packed brown sugar
-1/4 tsp cinnamon
Preheat oven to 375 F.  Line muffin tins with cupcake liners and set aside.
In your mixer's bowl, cream the eggs and sugar.  Slowly, add remaining ingredients.  Mix until well combined.  Pour batter evenly into 26 lined muffin cups.
In a small bowl, mix together the streusel ingredients.  Use your hands for better mixing, until it becomes like wet sand in texture.
Sprinkle the streusel mixture evenly on top of the muffins.
Bake in preheated oven for about 20 minutes or until toothpick comes out clean.
Cool in the pan on the rack for 10 minutes.  Remove from the pan onto wire rack and let cool completely.  Enjoy!