Yes, it was their April's Fool prank.

I work from home in the lockdown and my workstation is right next to the kitchen door. At one point the kids came running downstairs, giggling, and announced that they were going to make brownies. They closed themselves in the kitchen. There was a lot of noise coming from there, including a lot more giggling. Later it was time to make lunch, and they instructed me on no ambiguous terms not to use the oven. After lunch they served us their brown Es