01 -
Set the oven temperature to 175°C to ensure even baking.
02 -
Whisk together flour, baking soda, and salt in a bowl until evenly mixed.
03 -
Beat softened butter with granulated and brown sugars until light and fluffy, about 2-3 minutes.
04 -
Add eggs one at a time, beating well after each, then stir in vanilla extract.
05 -
Blend in blue food coloring gradually until the desired shade is reached.
06 -
Gently fold the dry mixture into the wet ingredients until just combined, avoiding overmixing.
07 -
Incorporate white and chocolate chips evenly into the dough by folding.
08 -
Drop spoonfuls of dough onto a parchment-lined baking sheet, maintaining uniform size for consistent baking.
09 -
Bake for 10-12 minutes until edges are golden and centers appear slightly soft.
10 -
Allow cookies to cool on the baking sheet for several minutes before transferring to a wire rack to cool completely.