Melt butter in stainless steel pan on low heat.
Add all ingredients listed above and whisk well to combine.
Remove from heat and set aside at room temperature until ready to serve.
Season the steak pieces heavily with salt and pepper.
Sear the steak on all sides in a stainless steel pan.
Remove the meat from the pan and coat with the cowboy butter.
Serve the steak bites with mashed potatoes and caramelized or fried onions.
