01 -
Preheat the oven to 175°C (350°F). Line a baking sheet with parchment paper.
02 -
In a medium bowl, whisk together the all-purpose flour, baking soda, and salt. Set aside.
03 -
In a large bowl, beat the softened butter, granulated sugar, and packed brown sugar until light and fluffy. Add the eggs one at a time, mixing well after each addition, and stir in the vanilla extract.
04 -
Gradually add the dry ingredients to the wet mixture, stirring gently until just combined.
05 -
Divide the dough into four equal portions. Tint each portion with a different pastel gel food coloring (pink, purple, yellow, and blue), mixing gently until evenly colored.
06 -
Take small portions of each colored dough and press them together to form a marbled ball. Place each ball on the prepared baking sheet and gently flatten it. Sprinkle chocolate chips on top.
07 -
Bake in the preheated oven for 10-12 minutes, or until the edges are lightly golden. Allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.