Add flour and knead using your hands till done, at this point add the milk and kneed thoroughly to get this

Divide the dough into two and add food colour in one portion

Roll out the white one and cut into circle shapes, i used a glass. Then the red one make small balls

Put the red on top of the white then cover the red with the white

Roll in your palm and flatten, then with a spoon make the shape. Make sure it doesn't reach the bottom. Get creative a bit

On a preheated oven, put the cookies in and bake for 25-30mins on low heat. In this case i used sufuria on top of gas