Chocolate Chip Walnut Cookies

Ingredients (14)

• 1/2 cup rolled oats
• 1 cup white whole wheat flour
• 6 tablespoons unsalted butter
• 1/2 cup dark brown sugar,
• 1/3 cup granulated sugar
• 1 teaspoon pure vanilla extract
• 1/2 teaspoon espresso powder
• 1/2 teaspoon cinnamon
• 1/2 teaspoon kosher salt
• 3/4 teaspoon baking soda
• 1/4 teaspoon cider vinegar
• 1 large egg
• 1 cup dark chocolate chips
• 1/2 cup finely chopped walnuts