INGREDIENTS
4
Eggs, large
1/2 cup
All purpose flour
1 tsp
Baking powder
1 3/4 cups
Brown sugar, packed
1/4 tsp
Salt
1 tbsp
Vanilla extract
1 cup
Walnuts, toasted
1/4 cup
Butter, unsalted
5
chocolate-covered english toffee bars
1 pound bittersweet (not unsweetened) or semisweet chocolate, chopped