French Onion Steak with Mushrooms Recipe

Ingredients

• 2 pieces ribeye steaks
• 1 teaspoon salt
• 1 teaspoon black pepper
• 2 tablespoons olive oil
• 3 tablespoons unsalted butter
• 2 large yellow onions, thinly sliced
• 1 teaspoon brown sugar
• 2 cups cremini or button mushrooms, sliced
• 1 cup beef broth
• 0.25 cup dry white wine (optional)
• 1 teaspoon fresh thyme leaves
• 1 tablespoon all-purpose flour
• 2 cloves garlic, minced