How To Cook Spaghetti Squash Many online recipes for how to cook spaghetti squash in the oven will tell you to poke holes in the squash and bake it at 350 F… but I think this is a huge mistake! With spaghetti squash, most people seem to fall into one of two categories: There are those who LOVE spaghetti squash as a lower-calorie replacement for spaghetti. And there are those who shun it, believing that if you’re going to eat pasta, you should enjoy the real thing. But I feel that looking at spaghetti squash as a pasta “substitute” in the first place does the vegetable an unfair disservic... See more on chocolatecoveredkatie.com