Not Just A Grilled Cheese Sandwich, But a Grilled, Grilled Cheese Sandwich
- 4 (1/2-inch slices) hearty country bread
- 3 ounces grated extra sharp cheddar cheese (Cabot)
- 1 ounce unsalted butter, at room temperature
- 1 teaspoon dry mustard
- 3 ounces grated Gruyere cheese
- 1/2 teaspoon smoked paprika
- 1/4 teaspoon freshly ground black pepper