Mash bananas in a large bowl. Add eggs and combine thoroughly. Then mix together remaining wet ingredients: Greek yogurt, milk, maple syrup, and vanilla.
3. Step
Next, add in dry ingredients and mix until fully incorporated. Fold chocolate chips into the mixture.
4. Step
Pour mixture into a greased muffin tin, filling each up about ⅔ full.
5. Step
Bake for 30-35 minutes, or until a toothpick comes out clean from the center of the muffin. Allow to cool for 10 minutes.