Clean the peppers of their stems and seeds. Arrange them in an oven dish.
Braise the mince in a deep pan with a little oil. Add the finely chopped onions, the red peppers and carrots. Cook until they've softened and reddened.
Remove from the heat and stuff the peppers with this filling. Arrange them in an oven dish and pour a little oil all over them. Bake in a preheated oven until ready.