In a bowl take all-purpose flour, sugar and baking powder.
Add butter to it and using finger tips, mix the butter with dry ingredients.
Add tutti frutti and mix it with flour.
Add 1 tbs of cold milk at a time and prepare the dough.
Shape the dough into a log and cover it with cling wrap.
Let it rest in refrigerator for about 30 minutes.
Keep the oven for preheating at 160 °C.
Meanwhile take the dough out from refrigerator and slice it.
Line a baking tray with parchment paper and arrange all the sliced cookies on the tray by leaving some space in between.
Bake these cookies in a preheated oven at 160 °C for 15-18 minutes or until the edges turn golden.
Once baked, take out the cookies from oven.
Transfer the cookies on a wired rack and let them rest.
Tutti frutti cookies are ready to serve.