A Warming Sensation

Name: A Warming Sensation
Prep time: 5 min
Cook time: 5 min
Total time: 5 min
Yield: 1 cocktail
Cuisine: Cocktail
Ingredients: 8 drops Angostura bitters; 45 ml Irländsk whiskey; 15 ml Crème de Cacao; 23 ml Luxardo Fernet