Zinger Toffee Crunch

Directions

1. 1
   Lightly grease a 9 x 13-inch glass baking dish.
2. 2
   In a heavy 2-quart saucepan, heat butter, sugar and water over medium temperature, stirring with a wooden spoon, until sugar dissolves. Cover pan with lid for 2 minutes to wash down any sugar crystals. Uncover pan; increase heat to high.
3. 3
   Without stirring, continue cooking until golden brown.
4. 4
   Remove from heat; stir in liqueur and baking soda.
5. 5
   Pour immediately into baking dish; spread thin with wooden spoon and let cool.