Wash your hands well with soap and warm water for at least 20 seconds.
Coat baking pan with vegetable oil cooking spray or vegetable oil.
Remove loose outer leaves and wash cabbage. Cut the bottom off the cabbage and set it so that the flat end is on the cutting board. Cut cabbage into 1/2” thick slices. Remove core from cabbage slices if needed. Arrange cabbage steaks in a single layer on baking pan.
Brush top of the cabbage steaks with oil or spray with vegetable oil cooking spray.
Season top of the cabbage steak with salt, pepper, and garlic powder.
Place baking pan in the oven and bake 17 to 20 minutes or until cabbage steaks are golden brown.