Ratatouille
Eggplant, peppers and zucchini browned in the pan one vegetable at a time, then stewed together in tomato. Cooking them separately is the whole difference between a dish where you can still taste each vegetable and a pot of grey mush.
At a glance
Ingredients and method are in the app
Kitchen Pantri holds the full ingredient list and step-by-step method for Ratatouille, 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.