Replaced the heating element.
The how-to repair video that was on the product's page was incredibly helpful. There was a tip on there to be careful that the wires that attach to the element might spring back into the wall. I used small binder clips to clip them before detaching them from the broken element and it was a good thing b/c they snapped right back against the back of the oven wall after I removed them and I can see what a nightmare that would have been to try to get them back out, had they sprung back to their original position which was a few centimeters back in the wall. Thanks for the tip!