Reuben Sandwich

Preheat a large skillet or griddle over medium heat.

Spread Russian dressing evenly over one side of each bread slice.

Layer corned beef, Swiss cheese, and sauerkraut on four bread slices.

Top with remaining bread, dressing-side down.

Butter the outside of each sandwich lightly.

Place sandwiches in the skillet and cook 3–4 minutes per side.

Press gently and flip once until bread is golden and cheese melts.

Remove from heat and rest 1 minute.

Slice in half and serve hot.