Gigantes Plaki
Big flat white beans baked slowly in a tomato sauce with plenty of olive oil, finished with dill and parsley. It is cheap, it is almost entirely hands-off, and it is genuinely better the next day at room temperature than it is hot out of the oven.
At a glance
Ingredients and method are in the app
Kitchen Pantri holds the full ingredient list and step-by-step method for Gigantes Plaki, 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.