Twenty Years of Food Blogs: Smitten Kitchen’s Deb Perelman has never needed AI to develop a recipe.

A friend recently posted a photo on Instagram of a giant zucchini harvested from her backyard in Chicago, with a caption that she needed recipes that use a ton of zucchini. I knew exactly where to send her. The best food blog on the internet, Smitten Kitchen, has thirty-seven zucchini recipes in its archives, ranging from quesadillas to latkes to chocolate bread. I sent my friend the link to a zucchini butter spaghetti recipe from five years ago—an internet classic. This summer, Smitten Kitch...