1/2 cup unsalted butter, melted and cooled slightly
3/4 cup light brown sugar, packed
1 large egg
2 teaspoons vanilla extract
1 1/4 cups all-purpose flour
1 teaspoon baking powder
1/4 teaspoon salt
3/4 cup white chocolate chips
3/4 cup rainbow sprinkles
1/2 cup semi sweet chocolate chips
Directions
Preheat oven to 350 degrees F. Lightly grease the sides of a 9x13 baking pan and line with parchment paper, leaving extra overhang to grab with later. Preheat oven to 350 degrees F. Lightly grease the sides of a 9x13 baking pan and line with parchment paper, leaving extra overhang to grab with later.