Christensen, E. (2019, June 5). Baker's Best Friend: Vanilla Extract. Retrieved from https://www.thekitchn.com/bakers-best-friend-vanilla-extract-ingredient-spotlight-170316 Davison, J. C., Lancaster, B., Bishop, J., Souza, D., McManus, L., Shaw, T., Roof, B. (2012). Two leaveners are often better than one. The Science of Good Cooking (pp. 358-359). America’s Test Kitchen. Joachim, D., & Schloss, A. (2018, July 19). The Science of Baking Cookies - Magazine. Retrieved from https://www.finecooking.com/article/the-science-of-baking-cookies-2 Leigh, K. (n.d.). Can a Cookie Sheet Affect the Baking of the Cookies? Retrieved from https://www.livestrong.com/article/484983-can-a-cookie-sheet-affect-the-baking-of-the-cookies/ Manley, T., & Skola, S. (2020, February 29). What Is the Importance of Cream of Tartar in Cookies? Retrieved from https://www.wisegeek.com/what-is-the-importance-of-cream-of-tartar-in-cookies.htm Mixing Dough or Batter: Wet into Dry or Dry into Wet? (n.d.). Retrieved from https://www.cooksillustrated.com/how_tos/6522-mixing-dough-or-batter-wet-into-dry-or-dry-into-wet Naglich, M. (2019, March 20). This Is the Best Oven Rack Position for Baking Cookies. Retrieved from https://www.tasteofhome.com/article/the-best-oven-rack-position-for-baking-cookies/ Parks, S. (2019, November 4). Cookie Science: How Do Eggs Affect My Cookies? Retrieved from https://www.seriouseats.com/2015/12/cookie-science-how-do-eggs-affect-my-cookies.html Parks, S. (2019, November 6). How Baking Soda Works. Retrieved from https://www.seriouseats.com/2015/12/cookie-science-how-baking-soda-works.html Parks, S. (2019, October 29). Cookie Science: Why Cream Butter and Sugar? Retrieved from https://www.seriouseats.com/2015/12/cookie-science-creaming-butter-sugar.html Potter, J. (2015). Air and water. Cooking for Geeks (pp.273-275). O’Reilly Media Inc. Provost, J. J., Colabroy, K. L., Kelly, B. S., & Wallert, M. A. (2016). The science of cooking: Understanding the biology and chemistry behind food and cooking. Retrieved from https://envoy.dickinson.edu:6499 Role of flour, butter and sugar in cookies - Shortbread science. (2020, January 2). Retrieved from https://foodcrumbles.com/ultimate-cookie-series-5-shortbread-basics/ Sally. (2012, May 3). XXL Buttery Soft Sugar Cookie. Retrieved from https://sallysbakingaddiction.com/xxl-buttery-soft-sugar-cookie/#tasty-recipes-76778 Swartz, I. (2017, September 26). The Science Behind: Baking Powder and Baking Soda. Retrieved from https://medium.com/show-some-stempathy/the-science-behind-baking-powder-and-baking-soda-2f2a014f1000 The Role of Eggs in Baking Cookies. (2014, January 6). Retrieved from http://www.lifemadesweet.com/role-eggs-baking-cookies/ Picture Citations: Ojwalker. (2015, April 23). Easy How To (Bake A Cake). Retrieved from https://ojwalker.wordpress.com/2015/02/25/purpose/ Sally. (2012, May 3). XXL Buttery Soft Sugar Cookie. Retrieved from https://sallysbakingaddiction.com/xxl-buttery-soft-sugar-cookie/#tasty-recipes-76778