person(s)
Preheat the oven to 160 ° C. Cut the potatoes in half. Mince the onions.
Place the oil and butter in a baking dish. Add the herbs and onions then the meat and finally the potatoes. To mix everything.
Season with salt and pepper and bake for about an hour (remember to mix during cooking so that the food does not catch on the bottom of the dish)
Increase the temperature to 200 ° C. Mix the ingredients a little in the mold and bake for another 5 to 10 minutes while the potatoes brown.