A unique garnish for desserts or a great item to package and sell!
Combine butter, sugar, corn syrup and water in a large, heavy saucepan. Heat, stirring constantly, until mixture comes to a boil. Insert candy thermometer. Reduce hea to medium-low and continue to boil until toffee reaches 300ºF, stirring constantly.
Remove from heat; stir in chipotle and vanilla extract. Add potato chips, stirring to coat. Spread mixture out on a lightly greased half sheet tray. Let cool at least 30 minutes.
Melt the chocolate in the microwave at 60% power for 1-1/2 to 2-1/2 minutes, stirring frequently. Drizzle over the toffee. Set aside for 1 to 2 hours to allow chocolate to harden. Break into pieces.