INGREDIENTS
1
Egg, large
2 cups
All-purpose flour
1 tsp
Baking soda
1/2 cup
Brown sugar, light packed
1 tsp
Cornstarch
1/2 cup
Granulated sugar
1/2 tsp
Salt
1 1/2 tsp
Vanilla extract
1/2 cup
Butter, unsalted
1 cup
Butterscotch chips
1 1/2 cups
Chocolate toffee pieces