Optionally sear steaks in a skillet for extra flavor.
Place steaks in a slow cooker
Sprinkle with ranch and au jus seasonings.
Add pepperoncini peppers and juice.
Top with slices of butter.
Cook on low for 5-7 hours or on high for 3-4 hours until tender.
Serve over mashed potatoes or rice and garnish with fresh parsley.
