Roast Pork Sandwich - Finlandia Cheese

Ingredients

• 2 lbs Pork Tenderloin
• ½ cup Dijon Mustard, divided
• ¼ cup Freshly Cracked Black Pepper, plus more to taste
• 0 Kosher Salt, to taste
• 3 tbsp Olive Oil, seperated
• 2 Cloves Garlic, sliced thin
• ¼ tsp Red Pepper Flakes
• 6 cups Kale, stems removed, cut into bite-size pieces
• 2 tsp Red Wine Vinegar
• 4 Round Kaiser Sandwich Rolls
• ¼ cup Mayonnaise
• 8 Finlandia Imported Swiss Slices