Cheese and Onion Toastie with Caramelized Onions

Method

1. In a small bowl, mix the softened butter with salt and pepper.
2. Spread the butter mixture on one side of each bread slice.
3. Place the cheddar cheese between the two bread slices.
4. In a skillet, heat olive oil over medium heat, then add the sliced onions and cook until caramelized, about 10-12 minutes.
5. Place the caramelized onions on top of the cheese layer in the sandwich.
6. Heat a skillet over medium heat and cook the sandwich until golden brown on both sides, about 3-4 minutes per side.