Sourdough Cookies Discard Ingredients * 2 sticks softened butter * 1 cup organic brown sugar * 1 egg + 1 egg yolk * 2/3 cup sourdough discard * 2 tsp vanilla extract * 3 cups all purpose flour * 1 tsp salt * 1/2 tsp baking powder * 1 tsp cornstarch * 1 tsp baking soda * 1 1/2 cups chocolate chunks LTKParties LTKFamily LTKHome