Preheat the oven at 200 °C (392 °F) and prepare the baking tray with the moulds for muffi ns.
Broil the bacon until it gets crisp, dry it on absorbent paper, cut it into pieces and leave it to stand in a dish.
Mix the fl our and the yeast in a bowl and in another one beat together oil, milk and the egg, then pour the liquid mixture into the dry one and beat it carefully.
Add bacon and Gorgonzola and stir with a spoon.
Divide the mixture into the moulds for muffi ns and bake them in the oven at 180 °C (356 °F) for around 15 minutes.
Take them out of the oven, let them to cool down and serve them.