Dusky Sunset

Use the specified prepared components: Hellfire Habanero Shrub (Bittermens).

Combine the mezcal, Bruto Americano, and sweet vermouth in a mixing glass filled with ice.

Add a dash of Hellfire Habanero Shrub and a dash of grapefruit bitters.

Stir well until the mixture is thoroughly chilled and all ingredients are harmoniously blended.

Strain the cocktail into a chilled Old Fashioned Glass.

Express the grapefruit peel over the drink to release its oils, then use it as a garnish.