Chill a champagne flute thoroughly before building the drink.
Pour 75ml of freshly squeezed orange juice into the flute.
Slowly top with 75ml of chilled Prosecco, pouring gently down the side of the glass to preserve the bubbles.
Do not stir - the two liquids will naturally combine.
Garnish with an orange twist on the rim and serve immediately.
Never stir a Mimosa - stirring kills the carbonation and flattens the drink. For the best result, always use freshly squeezed orange juice and ensure your Prosecco is well chilled before pouring.
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