To take advantage of its benefits, you can chew fresh sage leaves or prepare an infusion to use as a mouthwash morning and night. Sage is a veritable treasure trove of nutrients essential to the ...

Preheat the oven to 190C/170C Fan/Gas 5. Put the olive oil and sage leaves in a pan. Fry until crisp and then immediately remove the sage leaves and set aside. Add the sliced onions to the same pan.