Mix together whole wheat flour, oats flour, baking powder. Add pinch of salt if using unsalted butter.
Mix well using a whisk or fork.
In a mixing bowl, cream butter and sugar. Also add vanilla essence.
Add in flour mix, white chocolate chips and cranberries.
Add about milk, little by little. Use as much as required. Depends on the flour used.
Fold the dough lightly.
Chill it for at least 2 hrs. You can also refrigerate it overnight .
When ready to bake, preheat the oven to 180°C or 350°F.
Scoop out the dough and line on the baking tray. Use and ice-cream scooper or a spoon to get the uniform sized cookie dough balls for even baking.
Till the time the oven is preheating, refrigerate the baking tray.
Bake the cookies for 12-15 mins. at 180°C or 350°F.
Once done , take out of the oven, cool completely on the counter and then store in an air tight container.