Instacart’s new ChatGPT integration wants to make it easier for people to find recipes and order groceries. I put it to the test by making Ina Garten’s viral brownie pudding. Instacart just became the first company to offer an end-to-end integrated shopping experience with OpenAI’s ChatGPT. It’s yet another signal that AI is about to upend the way we shop—and, maybe, the way we cook.