Preheat oven to 350°F/177°C. Grease and line an 8x3-inch loaf pan. Set aside.
In a bowl, combine cake mix, eggs, mashed bananas, oil, and water.
Pour batter in prepared pan.
Bake in the preheated oven for 30-35 minutes or until cake is set and lightly golden brown.
In a bowl, mix together glaze ingredients until smooth.
Drizzle prepared glaze onto cooled cake, top with peanut butter chips and or chocolate chips, as desired.