Whale of a Good time

I used:

2oz @graywhalegin
1/2oz @cointreau
1/2oz Freshly squeezed Key limes
2oz Diet Tonic

Pour all ingredients into a cocktail jug and stir well until combined .

Strain into your favourite cocktail glass and create whatever over the top garnish you like

Salud!

Recipe and photography © @the_margarita_mum