Cooking spray 1 ½ cups all-purpose flour 1 cup granulated sugar 3 tablespoons rainbow sprinkles, plus more for decorating 1 teaspoon baking soda ¾ teaspoon kosher salt ¼ cup plus 1 Tbsp. vegetable oil 1 tablespoon vanilla extract 1 tablespoon white vinegar
Glaze
¼ cup plus 2 Tbsp. cream cheese, softened ½ cup confectioners’ sugar ⅛ teaspoon kosher salt 1 tablespoon whole milk, or as needed ½ teaspoon vanilla extract