Go Back

Thorntons Treacle Toffee Recipe with Condensed Milk

A quick, 3-ingredient Thorntons Treacle Toffee with a rich, creamy texture and a hint of vanilla, perfect for a simplified Bonfire Night treat.
Prep Time5 minutes
Cook Time15 minutes
Total Time20 minutes
Course: Dessert, Snack
Cuisine: British
Keyword: 3-ingredient toffee, Bonfire Night sweets, Thorntons toffee, treacle toffee
Servings: 12 pieces
Calories: 150kcal
Cost: $3-$5

Equipment

  • Heavy-bottomed saucepan
  • Wooden spoon
  • Baking tray (8x8 inch or similar)
  • Parchment paper
  • Sugar thermometer (optional)

Ingredients

  • 100 g unsalted butter
  • 400 g sweetened condensed milk (1 can)
  • 1 tsp vanilla extract

Instructions

  • Line an 8x8-inch baking tray with parchment paper and lightly grease it to prevent sticking.
  • In a heavy-bottomed saucepan over low heat, melt the butter completely, stirring occasionally to avoid burning.
  • Add the condensed milk and stir continuously to combine with the melted butter, creating a smooth mixture.
  • Increase the heat to medium and bring the mixture to a gentle boil. Stir constantly to prevent sticking, and cook until it thickens and reaches 120°C (248°F), the soft-ball stage, about 10-12 minutes. If you don’t have a thermometer, test by dropping a small amount into cold water; it should form a soft, pliable ball.
  • Remove from heat and stir in the vanilla extract until fully incorporated.
  • Pour the mixture into the prepared tray, spreading it evenly. Let it cool at room temperature for about 1 hour until set.
  • Once set, cut or break into bite-sized pieces. Store in an airtight container for up to 1 week.

Notes

  • Be cautious with the hot toffee mixture, as it can cause burns.
  • This version is softer and creamier than traditional Thorntons Treacle Toffee due to the absence of treacle and sugar syrups. For a harder texture, cook to 140°C (284°F), the hard-crack stage.
  • If the toffee doesn’t set properly, it may need to be cooked longer; ensure it reaches the correct temperature.
  • Clean the saucepan immediately after pouring to avoid hardened toffee sticking.