Description

Based on traditional culinary definitions, “Hard Sauce” (often referred to as Brandy Butter in the UK) is a rich, stiff, and creamy dessert spread, not a pourable sauce. Here is a description for a 100g premium version: 
Product Name: Premium Hard Sauce (Brandy/Rum Butter)
Net Weight: 100g 

Description
Premium Hard Sauce is a luxurious, dense, and spreadable topping traditionally paired with warm holiday desserts. It is crafted by creaming high-quality unsalted butter with fine icing sugar and premium spirits (such as Brandy, Cognac, or Rum). Despite being called a “sauce,” it has a firm, buttercream-like texture when cold and melts into a rich, velvety glaze when applied to hot foods. 

Key Features
Flavor Profile: Sweet, decadent, and boozy with a creamy, buttery finish.
Texture: Firm and spreadable, designed to hold its shape until warmed.
Usage: Ideal for topping Plum Pudding, Bread Pudding, Pound Cake, Fruitcake, Gingerbread, and Apple Pie.
Appearance: Creamy white to pale yellow, often whipped until fluffy. 

Typical Ingredients
High-fat Unsalted Butter
Powdered/Icing Sugar
Premium Spirit (Brandy, Rum, or Whiskey)
Optional: Vanilla extract, dash of salt 

Storage & Serving
Storage: Keep refrigerated. It keeps for several months.
Serving: Serve directly from the fridge onto steaming hot puddings.