This would be handy if matched against a database of recipes: e.g., I'm craving something that tastes like x, here are y recipes that taste a lot like x based o

This would be handy if matched against a database of recipes: e.g., I'm craving something that tastes like x, here are y recipes that taste a lot like x based on their ingredients and flavour profiles, but are (perhaps subtly) different; this way you could have some variety in what you cook and still feel as if you ate what sounded good.