Strip Steaks with Sauteed Onion and Mushrooms

Ingredients

• 2 (~500g) boneless steaks, 2-3cm thick
• salt and pepper
• 30mL vegetable oil
• 250g cremini mushrooms, sliced thin
• 1 onion, halved and sliced thin
• 2 garlic cloves, minced
• 64mL balsamic vinegar
• 45mL chopped fresh chives
• 30mL unsalted butter

Procedure

1. Season steaks with salt and pepper.
2. Heat 15mL oil over medium-high heat. Cook the steaks until well browned and meat registers 125F (for medium-rare), ~5 minutes/side. Set aside.
3. Heat remaining 15mL oil over medium-high heat. Add mushrooms, onion, 2mL salt, and 2mL pepper and cook until well browned, ~5 minutes.
4. Add garlic and cook until fragrant, ~30 seconds.
5. Stir vinegar and accumulated beef juices into skillet, deglaze, and simmer, stirring occasionally, until sauce thickens, ~1 minute.
6. Remove from heat and stir in chives and butter.
7. Season with salt and pepper to taste.
8. Slice steaks and cover with sauce.