7 Spooky Halloween Cocktails – Witch’s Brew Halloween Cocktails: 2 ¼ Oz Bacardi Light, 2 ¼ Oz Meyers Rum, 1 ¼ Oz Bacardi 151, 2 ½ Oz Pineapple Juice, 2 ½ Oz Orange Juice, 1 ¼ Oz Sour Mix, 1 ¼ Oz Grenadine. (should Be A Pinkish-red Color). Throw In A Handful Of Gummy Worms.