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Split the blackberries between two rocks glasses
Split the lemon juice between the two glasses
Muddle the blackberries with the lemon juice
Add either a large square/circle ice cube to each glass, or fill with regular sized ice cubes
Add 1 ounce of whiskey to each glass
Using a long cocktail spoon, stir until well mixed
Add a lemon wedge for garnish and enjoy!
Seeming a little strong? Try a sugar rim to sweeten in up or top it off with a bit of club soda!