HAM AND CHEESE BUTTER BISCUITS

Ingredients (For approximately 8-10 cookies):

310 grams of flour (all-purpose)

13 grams of granulated sugar

13 grams of aluminum-free baking powder

1 teaspoon of salt

170 grams of cold butter (cut into small cubes)

200 ml of cold milk (or buttermilk)

150 grams of grated kashar cheese (or cheddar)

100 grams of ham, cut into small cubes

1 egg yolk (for topping)

A pinch of black cumin or sesame seeds (optional)