Donate to No Kid Hungry: https://p2p.onecause.com/livestreamfornokidhungry/kenji-alt-lopez
Here's a written description of how this recipe works, along with the written recipe: https://www.seriouseats.com/2016/08/video-food-lab-foolproof-homemade-mayonnaise.html
Here's the link to the Tuna Melt: https://youtu.be/CfnlQFTmbsY