Step 1

Moisten the rim of a cocktail glass and roll it in salt

Step 2

Add all ingredients except the champagne to a cocktail shaker with ice

Step 3

Shake well for 10-15 seconds or until the outside of the shaker becomes frosted

Step 4

Strain into your salt-rimmed cocktail glass, then top up with champagne

Step 5

Garnish with a lime wheel and serve