Turn instant pot to saute and when the panel shows HOT, add 2 tbsp. butter, ground beef and onions. Saute until onions are transparent. Drain grease.
Turn instant pot off.
Add tomatoes, tomato sauce and broth to the instant pot. Then layer cabbage on top.
Cook on high for 5 minutes. Do a quick release and stir all ingredients well.
Serve over cooked rice.