1. First, add all ingredients, and then add ice at the end. This ensures enough room for the ginger beer.
2. Measure out 2 oz silver tequila into a cocktail glass.
3. Add juice of 1/3 – 1/2 lime to your preference
4. Next, add in 1/2 oz creme de cassis
5. Now, add 2 oz ginger beer or more if you prefer a less strong cocktail.
6. Stir.
7. Add / fill the glass with ice and stir again.
8. Garnish with lime, blackberries, or other fruit as desired

CHEERS!