Bacon& Cheddar Drop Biscuits

• 2 bacon fat
• 220 gr flour
• 160 ml milk
• 85 gr extra sharp cheddar cheese coarsely (grated)
• 30 gr onion (finely minced)
• 24 gr vegetable shortening (cold)
• 9 gr double-acting baking powder
• 2 gr baking soda
• 1 gr salt
• 4 slices crisply bacon (cooked finely minced)