Ripe blood oranges give it a mild sweetness. Simple, refreshing and easy to prepare 50% martini fiero, 50% tonic water, ice cubes. Done Martini Bianco meets blood orange - sounds delicious - tastes delicious! Mix Fiero with tonic and you have the perfect drink for a wonderful evening. It shimmers red in the glass, fruity and fresh it tingles on the palate, subtly sweet it kindles the fire of enjoyment, mixed with tonic or on ice.