🍽️ Directions:

1️⃣ Preheat the oven:
Preheat your oven to 375°F (190°C). Line a baking sheet with parchment paper.

2️⃣ Prepare the rolls:
Slice the sandwich rolls 🍞 in half lengthwise, leaving the bottom of the rolls connected. If desired, spread a thin layer of mustard 🌶️ or Thousand Island dressing 🥄 on the inside of each roll.

3️⃣ Layer the filling:
Add pastrami 🥩, sauerkraut 🥒, and a slice of Swiss cheese 🧀 to each roll.

4️⃣ Butter and bake:
Brush the tops of the rolls with melted butter 🧈. Arrange them on the prepared baking sheet.

5️⃣ Bake:
Bake for 8-10 minutes or until the cheese is melted and the rolls are lightly toasted.

6️⃣ Serve:
Serve these savory, tangy rolls 🍞 warm and enjoy the crispy, melty goodness!