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Sugar Free Toffee Recipe

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This sugar free toffee recipe makes rich, buttery toffee with that classic snap and caramel flavor you love—without the sugar. It’s an easy, crowd-pleasing treat that feels indulgent, makes wonderful gifts, and disappears fast!

Ingredients

1 cup butter
1 cup granulated sugar substitute (erythritol, allulose, or monk fruit blend — Allulose works best for classic toffee texture)
1/4 tsp. salt
1 tsp. vanilla
Optional: 1/2 cup chopped nuts (almonds or pecans)
Optional topping: sugar free chocolate chips

Instructions

  1. Line a baking sheet with parchment paper and set aside.
  2. In a medium saucepan over medium heat, melt the butter.
  3. Stir in the sugar substitute and salt, stirring constantly until the mixture is fully dissolved and begins to bubble.
  4. Continue cooking and stirring until the mixture turns a deep golden color, about 5–8 minutes.
  5. If using erythritol, the mixture may thicken quickly, so watch closely.
  6. Remove from heat and immediately stir in the vanilla.
  7. Pour immediately onto the prepared baking sheet and spread into a thin, even layer.
  8. Sprinkle with chopped nuts or sugar free chocolate chips, if desired.
  9. Cool completely at room temperature or refrigerate until fully hardened.
  10. Break into pieces and enjoy.
 
 

Notes

  • Allulose produces the most traditional toffee “snap” and does not recrystallize.
  • Store in an airtight container to keep moisture from softening the toffee.