Resep Sandwich Ruben!

Bahan-bahan (5 porsi)

• 1 kg / 2 lb homemade pastrami (1 quantity, easy!) ((Note 1))
• 10 slices light rye bread
• 10 slices Swiss cheese
• Butter (, for spreading)
• 1 tbsp grapeseed oil
• 1/2 onion (, thinly sliced)
• 350 g / 12 oz white cabbage (, thinly shredded (1/4 large head, 6 - 8 big handfuls))
• 1 1/4 cups (300ml) cider vinegar
• 1/3 cup (85 ml) water
• 1 tsp salt
• 2 tsp sugar
• 1 tsp caraway seeds (, optional (Note 2))
• 1 tbsp onion (, finely minced)
• 1 tbsp dill pickle/gherkin (, finely minced)
• 3/4 cup mayonnaise
• 1/4 cup sour cream ((can sub more mayo))
• 2.5 tbsp sriracha, spicy ketchup or Chili Sauce ((or 1/4 cup ketchup + 2 tsp tabasco) (Note 3))
• 3 tsp horseradish ((jar), to taste (spicy/tang))
• 1 tsp Worcestershire sauce
• 1/4 tsp sweet paprika