Mix the flour with the baking powder and the baking soda.
Add the butter and knead to obtain a shortbread mixture.
Add milk and the beetroot.
Add the chocolate chips.
Knead the whole mixture one last time to form a homogeneous dough.
Roll out the dough with a rolling pin until it is 2 cm thick.
Shape the scones with a round cookie cutter or glass and place them on a baking sheet, leaving enough space between each one. Alternatively, place the dough into smooth round muffin cups.