When you take everything you love about French onion soup and marry it with the convenience of store-bought gnocchi, the result is one of the coziest dinners you can dip into this winter. Simply toss pan-fried potato gnocchi with lots of thyme-scented caramelized onions, pile on nutty Gruyère cheese, and let the whole thing take a spin under the broiler until it’s a bubbling, melty mess of comforting goodness.