Mimosas mix sparkling wine and orange juice to make the combination delicious. Enjoying mimosas with friends and family is fun as it takes less time to prepare. Read on to see our tips for making them the best, including the correct ratio and best wine. When making a mimosa, always add the sparkling wine first, then top with orange juice. This way, the cocktail mixes on its own and won't make a sticky mess at the top of the glass. You don't need to stir as this will cause the wine to become flat. Here is the step-by-step guide to making the perfect Mimosa.