Milkshake Cookies

Ingredients

• Dry Ingredients
• 2 cups cake flour
• 1 2/3 cups bread flour
• 1/2 cup rolled oats
• 1 1/2 teaspoons baking powder
• 1 1/2 teaspoons baking soda
• 2 1/2 tablespoons brewer's yeast
• 1/4 teaspoon chili powder
• 1/4 teaspoon cinnamon
• 1 1/2 teaspoons coarse salt
• 1 pound bittersweet chocolate chips
• Pinch fleur de sel
• Wet Ingredients
• 1/4 cup ground flax seed
• 3 tablespoons hot water
• 2 teaspoons vanilla extract
• 1 1/4 cups room temperature unsalted butter
• 1 1/4 cups light brown sugar
• 1 1/4 cups granulated sugar
• 2 room temperature large eggs