Step 1

Preheat oven to 400 degrees. Line cookie sheets with parchment paper, silicone mat or spray with nonstick spray.

Step 2

In a large bowl of electric mixer, cream butter and sugar together until creamy, about 4 minutes.

Step 3

Add egg and vanilla extract and beat until well mixed. Add in mashed bananas and continue beating until well incorporated.

Step 4

In a medium bowl, combine flour, baking soda and salt. Turn mixer to low speed and add dry mixture gradually to banana mixture until completely combined.

Step 5

Stir in peanut butter chips.

Step 6

Using a medium cookie scoop, drop cookie dough onto prepared cookie sheet leaving about 2" in-between. You should be able to fit 12 cookies per cookie sheet.

Step 7

Bake in oven for 8-9 minutes or until bottom is brown and cookies look set.

Step 8

Remove from oven and let sit on cookie sheets for 2-3 minutes then remove with spatula to wire racks to cool completely.

Step 9

Once cool, place a cookie sheet or waxed paper under cookies and prepare chocolate.

Step 10

Pour chocolate chips into a microwave safe measuring cup or bowl, Heat in microwave in 30-second increments, stirring in-between, until chocolate has melted. If chocolate is too thick, add a small amount of oil to mixture and stir.

Step 11

Pour into a small ziploc bag. Snip a small corner off then squeeze and drizzle chocolate all over cookies. Let cool and store in airtight container.