lactation cookies recipe

Ingredients: 1 cup old-fashioned oats 1 cup all-purpose flour 1/4 cup brewer's yeast (important for lactation) 2 tablespoons ground flaxseed 1/2 teaspoon baking soda 1/2 teaspoon baking powder 1/4 teaspoon salt 1/2 cup unsalted butter, softened 1/2 cup granulated sugar 1/2 cup brown sugar, packed