Champagne Julep - cooking recipe

Ingredients

10 fresh mint leaves
1 teaspoon white sugar
1 tablespoon warm water
1/2 cup crushed ice, or as needed
2 fluid ounces cognac
2 fluid ounces chilled dry sparkling wine, or as needed

Preparation

Place mint leaves in a tall cocktail glass. Add sugar and warm water; muddle gently. Add crushed ice. Pour in cognac; stir. Top with sparkling wine.