Mimosa, Asomim, and Bucksfizz are all cocktails made with champagne and orange juice. MIMOSA is a classic cocktail made with equal parts of champagne and orange juice. Asomim is a variation of the MIMOSA that uses sparkling wine instead of champagne. Bucksfizz is a British cocktail made with two parts champagne and one part orange juice. All three of these drinks are popular brunch cocktails and are often served at special occasions.