01 -
Preheat oven to 350°F and spray a 9x5-inch loaf pan with non-stick spray.
02 -
In a medium bowl, whisk together the flour, baking soda, and salt. Set aside.
03 -
In a separate bowl, beat the sugar and butter together until creamy. Add the eggs one at a time, mixing well after each addition, then stir in the mashed bananas.
04 -
Combine the wet and dry mixtures until just combined. Divide the batter into three bowls and use pink, purple, and neon green gel food coloring to tint each portion.
05 -
Layer the colored batters into the loaf pan by scooping dollops of each color, adding rainbow sprinkles between layers.
06 -
Bake in the preheated oven for 45-65 minutes, or until a toothpick inserted in the center comes out clean.
07 -
Let the bread cool completely before drizzling with icing made from confectioners' sugar and milk. Top with additional rainbow sprinkles.