INGREDIENTS
1
Egg
1 cup
Oats, Old-Fashioned
1/2 tsp
Baking powder
1/2 tsp
Baking soda
1 1/2 tbsp
Brown sugar
1 cup
Chocolate chunk cookie dough *see headnote
3/4 cup
Flour
1/4 tsp
Sea salt or kosher salt
1/2 tsp
Vanilla extract
1
(240ml) buttermilk *see note
2 tbsp
Butter, unsalted