01 -
Set oven to 175°C (350°F) and prepare a baking sheet by lining it with parchment paper.
02 -
In a saucepan over medium heat, melt the butter and light brown sugar together, stirring continuously until the mixture bubbles and thickens slightly.
03 -
Remove the saucepan from heat and blend in the pure vanilla extract thoroughly.
04 -
Transfer the pretzel twists onto the lined baking sheet and pour the prepared toffee sauce evenly over them, ensuring full coating.
05 -
Bake in the preheated oven for 10 to 12 minutes, until the toffee is bubbly and golden brown.
06 -
Remove from oven immediately and sprinkle semi-sweet chocolate chips over the hot pretzels, allowing them to melt. Once slightly cooled, scatter the chopped nuts on top to finish.