Preparation Steps

• Preheat the oven to 350°F (175°C).
• In a large bowl, cream together the softened butter and sugar until light and fluffy.
• Beat in the egg and vanilla extract until well combined.
• In another bowl, mix together the flour, baking soda, and salt.
• Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
• Fold in the rainbow sprinkles.
• Drop spoonfuls of dough onto a baking sheet lined with parchment paper.
• Bake for 10-12 minutes or until the edges are lightly golden.
• Allow to cool on the baking sheet for a few minutes before transferring to a wire rack to cool completely.