Juicy Garlic Steak Sandwich with Wine Recipe

Ingredients

• 1/2 lb (227 g) steak, sliced
• 2-3 cloves of garlic, chopped
• 3 tablespoons (42 g) butter
• 1/2 cup (118 ml) red wine
• 1 large onion, thinly sliced
• 1/2 teaspoon (2.5 g) coarse black pepper
• 1/2 teaspoon (3 g) coarse sea salt
• 2 slices of cheese (to taste), optional
• 2 crusty sandwich buns