flourless double chocolate peanut butter muffins

1 med to lg ripe bananna, mashed
1 egg
1/2 c. peanut butter (heaping)
1/3c unsweetened cocoa
3 T honey
1 T vanilla
1/4 t. soda& pinch of salt
1/2 c. chocolate chips heaping
Bake in 400 oven. Spray muffin tins.  Add together everything but peanut butter and chips.  Beat until creamy.  Add peanut butter and chips.  Add water or milk to make like thick cake batter.  bake 8-12 minutes until springy.  Can leave out cocoa if want.