Sirloin Steak with Onion-Mustard Sauce Recipe | Sauce Recipe

Ingredients

• 1/4 cup Filippo Berio Extra Virgin Olive Oil, divided
• 1 lb sirloin steak (excess fat trimmed), cut into 4 pieces
• 1/4 tsp freshly ground pepper
• 1 large onion, thinly sliced
• 1/4 cup low-sodium beef broth
• 3 tbsp Filippo Berio red wine vinegar
• 4 tsp Dijon mustard