How to make the cocktail Zombie

Name: Zombie recipe
Prep time: 3 min
Total time: 5 min
Yield: 1 cocktail
Cuisine: USA
Ingredients: 30 ml white rum; 30 ml dark rum; 45 ml passion fruit syrup; 45 ml orange juice; 15 ml fresh lemon juice; 15 ml fresh lime juice; 10 ml grenadine; 2 dashes angostura bitter