1. Lightly spread one side of bread slices with butter. Spread other side of bread slices with mustard. Top the mustard sides of four of the bread slices with cheese. Top with the remaining four bread slices, mustard sides down.

2. Preheat a large skillet over medium heat. Place the sandwiches in the skillet. If using a covered grill, close lid. Grill sandwiches until bread is golden and cheese is melted, turning once halfway through cooking.

Grilled Veggie-Cheese Sandwiches:

Prepare as directed, except, if desired, substitute bottled ranch salad dressing for the mustard. Layer 1/2 cup sliced cucumber, 1/2 cup sliced roma tomato, and 1/4 cup sliced red onion on the cheese before topping with the remaining bread slices.

Per sandwich: 331 cal., 11 g pro., 28 g carb., 20 g total fat (10 g sat. fat), 44 mg chol., 2 g fiber, 867 mg sodium

Meaty Grilled Cheese Sandwiches:

Prepare as directed, except place a thin layer thinly sliced cooked ham, roast beef, pepperoni, salami, or shredded cooked chicken or turkey on the cheese before topping with the remaining bread slices.

Per sandwich: 357 cal., 14 g pro., 28 g carb., 22 g total fat (11 g sat. fat), 54 mg chol., 2 g fiber, 867 mg sodium