INGREDIENTS
1 cup
cold butter, cut into cubes
1 cup
brown sugar
1/2 cup
sugar
2
eggs
1 tsp
vanilla paste or extract
1 tsp
baking soda
1/2 tsp
salt
1 tbsp
cornstarch
3 cups
flour
2 cups
semi-sweet chocolate chips (or discs)
2 cups
chopped walnuts, optional