Beef with mignon

4 (8 ounce) filet mignon steaks Kosher salt and fresh cracked pepper to taste 2 tablespoons olive oil 3 tablespoons unsalted butter 2 tablespoons finely[...]

1 lb filet mignon (simmer about 15 mins) or 1 sirloin steaks (simmer about 30 mins) or 1 top round steaks (simmer about 1 hour and test meat for tenderness)[...]

3 -4 lbs filet mignon, trimmed of fat olive oil , to lightly cover bottom of pan 1 cup onion , diced 1 cup diced red bell pepper 3 cups diced button mushrooms[...]