INGREDIENTS
1/2 tsp
baking soda
13 tbsp
butter
1 large
egg
1 large
egg yolk
2 cups
flour
3/4 cup
golden brown sugar
1/2 cup
granulated sugar
1 tsp
kosher salt
1/2 cup
m&m's
1 cup
milk chocolate chips
1 tsp
vanilla extract
1 cup
white chocolate chips