Preheat the oven to 200 degrees celsius (fan-forced).
Lightly grease 24 holes in a mini muffin tray or patty pan tray. Set aside until needed.
Cut round holes from the puff pastry sheets using a pastry cutter (about 6 holes per sheet).
Press the pastry circles into the mini muffin tins.
Place the cheese into the Thermomix bowl and grate for 10 seconds, Speed 8. Set aside. Wash and dry the bowl.
Place the bacon (roughly chopped), into the Thermomix bowl and press Turbo in 1 second bursts until chopped into small pieces.
Add the olive oil and saute for 3 minutes, 100 degrees, Speed 1. Allow to cool slightly.
Add the eggs, milk and cheese and mix for 20 seconds, Reverse, Speed 3.
Pour the mixture over the pastry cases (being careful not to overfill as the mixture rises when cooked).
Cook for approximately 10-15 minutes or until the cheese is golden and the quiches are cooked through.