Chocolate Brownie

100 gm butter
200 gm sugar
6 tbsp cocoa
100 ml milk
150 gm flour
2 eggs
50 gm chopped walnuts


Melt the butter, sugar, cocoa and milk together. 
Add remaining ingredients. Stir to mix. 
Bake in a square baking tin at 180 degree C for 25 minutes. 
Cool and cut into squares.