Elizebeth's Cheese Biscuits

• 250 gr unbleached all-purpose flour
• 240 ml water (cold)
• 80 gr nonfat dry milk powder
• 22 gr cheddar cheese (grated white)
• 20 gr wheat germ
• 16 gr emmenthal cheese (grated)
• 14 gr mozzarella cheese (grated)
• 14 gr baking powder
• 3 gr salt