I think your Oma put the steaks under the broiler- very common for people who don't have a BBQ.
Well, I slow cooked the pork ribs (side ribs) on low for 8hrs and they were "fall off the bone" tender. I'm scared to grill them, lest they fall through the grill. I dumped them into a casserole dish, pured BBQ sauce mixture on top, and am baking in the oven.