I personally think gnocchi are hard to make. In fact, I think they're my Achilles' heel of cooking. They're a challenge, but making something that challenges you makes you a better cook. If making gnocchi intimidates you, try it. If chopping an onion is something that's out of your comfort zone, try that. If making a 40-ingredient, 28-step dish from Julia Child is something you feel is a challenge (and who wouldn't?), challenge yourself.
Like anything, being a good cook comes from trying new things and pushing your boundaries a little. You don't need shortcuts or cheap tricks to make good food. You need confidence (you are a good cook!) and a few good ingredients. It doesn't have to be hard or scary dishes, just simple things. It's about approaching food - familiar or exotic as it may be - with no fear. No fear cooking. I like that.