01 -
Set your oven to 350°F. Cover a baking tray with parchment to make cleanup easier and keep cookies from sticking.
02 -
Toss together flour, salt, baking soda, and baking powder in a bowl. Once mixed, just set it aside.
03 -
Whip the butter and sugar with a mixer for about 3-4 minutes. It should look light, fluffy, and pale in color.
04 -
Toss in the egg and vanilla. Stir it all up until you've got a silky-smooth mixture.
05 -
Combine your dry mixture with the butter mix in small amounts. Stir gently until just blended. Overmixing isn’t your friend here.
06 -
Carefully fold in blueberries and a sprinkle of lemon zest. If you like your cookies colorful, mix in the dye now until the color’s even.
07 -
Roll dough into little 1-inch balls, gently press them flat onto the prepped baking sheet, and sprinkle coarse sugar on top.
08 -
Pop it in the oven for 12-15 minutes. The edges should be golden while the centers stay slightly soft and chewy.
09 -
Let the cookies chill on the tray for 5 minutes before transferring to a cooling rack. Wait for them to cool fully before serving!