Chocolate Chunk Lactation Cookies - What Sarah Bakes

Ingredients

• 295g (3 cups) rolled oats
• 190g (1 + 1/2 cups) all-purpose flour
• 50g (5 tablespoons) brewers yeast (I get mine from Bin Inn)
• 30g (3 tablespoons) ground flaxseed
• 1/2 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon salt
• 170g (12 tablespoons) butter, softened
• 65 mls (1/3 cup) virgin coconut oil or flavourless oil
• 200g (1 cup) soft brown sugar
• 100g (1/2 cup) white sugar
• 1 large egg + 1 large egg yolk
• 2 teaspoons vanilla extract
• 170g (1+ 1/2 cups) dark chocolate, roughly chopped (I like Whittakers)