Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.
- Whisk flour, baking soda, baking powder, cream of tartar, and salt in a medium bowl.
- Cream butter and sugar together on medium-high speed for 3-4 minutes until fluffy.
- Add egg and vanilla extract; mix until combined.
- Gradually add dry ingredients to wet, mixing on low speed just until flour disappears.
- Fold in sprinkles by hand.
- Scoop dough into 1.5 tablespoon balls and place 2 inches apart on baking sheets.
- Bake for 9-11 minutes until edges are set but centers are still soft. Do not overbake.
- Cool on baking sheet for 5 minutes, then transfer to wire rack.
Notes
Store in an airtight container with a slice of bread to keep them soft.