Ingredients
Equipment
Method
Prep and mix wet ingredients
- Preheat the oven to 350°F and line a sheet pan for easy baking.
- Cream the softened butter and 1 cup granulated sugar until smooth, then mix in the egg and vanilla until fully combined.
Whisk dry ingredients
- In a separate bowl, whisk together the all-purpose flour, baking powder, baking soda, and cream of tartar until evenly distributed.
Form dough and add Jello
- Gradually mix the dry ingredients into the wet ingredients until a dough forms and no dry pockets remain.
- Divide the dough into sections and knead 2 tablespoons of Jello powder into each section until fully combined, creating distinct bold colors.
Shape, coat, and bake
- Roll the dough into 1-inch balls, then coat in extra sugar or Jello powder for a sparkly finish.
- Place the balls 2 inches apart on the prepared sheet pan, flatten slightly, and bake for 8 to 10 minutes at 350°F, until set and lightly golden at the edges.
Notes
For the brightest color, knead each Jello flavor thoroughly until the dough looks uniform. Store cookies in an airtight container at room temperature for 3-4 days; freeze baked cookies for up to 2 months. For a gluten-free swap, use a 1:1 gluten-free baking flour blend in place of all-purpose flour (check it contains xanthan gum).
