It is good to drink such a bitter tincture on vodka sometimes for preventive purposes in the cold season - in order to cheer up and not get sick.
Cut tangerine peels into small pieces, pour over with boiling water and place on the bottom of the bottle.
Pour vodka into a saucepan, heat gently to 60 C and pour it into the same bottle.
Place freshly roasted coffee beans in a bottle and seal tightly. Let it brew for 30 days, then strain.