¾ cup (180g) salted butter
2 cups dark brown sugar
2 cups dark chocolate chips
3 tbsps. condensed milk
1 cup cocoa powder
4 whole eggs
1 ½ cups all-purpose flour
1 ½ cups coarsely chopped walnuts
Grease and line two 8X8X2 square pans, bake at 350F for 30 minutes