Vegan Brown Sugar Toffee Recipe (with Video)

1. Combine all ingredients except the vanilla in a large saucepan and cook, over medium heat, stirring constantly, until the mixture registers 300 F (hard crack) on an instant read or candy thermometer
2. Remove the saucepan from the heat and stir in the vanilla
3. Pour the toffee onto a Silpat-lined sheet pan and cool to room temperature, at least 1 hour