Spanish Tortilla
Potatoes and onion softened slowly in olive oil, folded into beaten egg and set in a pan into a thick round cake. Four ingredients, one skillet, and it is as good at room temperature three hours later as it is hot — which is how Spain actually eats it.
At a glance
Ingredients and method are in the app
Kitchen Pantri holds the full ingredient list and step-by-step method for Spanish Tortilla, checks it against what is already in your pantry, and adds anything missing to your shopping list. The app is free to use; you set up a Pantri account when you first open it.