Toffee squares

These toffee squares are made from scratch: get a large mixing bowl and mix 1 cup butter,1 cup Brown sugar,
1 Egg yolk, 1 tsp vanilla until well mixed, then add 2 cup flour, 1/4 tsp salt, preheat the oven at 350° for 20 minutes. 1/2 cup chocolate chips, and last but not least,1/2 cup crushed nuts. Spread the mix onto a greased cookie sheet,  Melt chocolate chips and spread out on top on the toffee and crush the nuts and sprinkle then on top of the chocolate.
Enjoy your treat:)