INGREDIENTS
1
Egg
2 cups
All-purpose flour
1 tsp
Baking soda
3/4 cup
Brown sugar
2 tsp
Cornstarch
1/2 cup
Granulated sugar
1/2 tsp
Salt
1 cup
Semisweet or dark chocolate chips
2 tsp
Vanilla extract, store-bought or homemade
3/4 cup
Butter, unsalted
1 cup
Toffee chips