Southern Deli-Style Braised Chuck “Roast Beef” Sandwiches with Quick Pickled Mustard Greens & Comeback Jus by Marcus Stone | inspochef | inspochef

Ingredients

• 3 lb Beef chuck roast
• 2 1/2 tsp Kosher salt
• 1 1/2 tsp Black pepper
• 2 tbsp Neutral oil
• 1 Yellow onion
• 2 stalks Celery
• 6 cloves Garlic
• 2 tbsp Tomato paste
• 1 tsp Smoked paprika
• 1 tsp Ground mustard
• 1 tbsp Cider vinegar
• 3 1/2 cups Beef stock
• 2 tbsp Worcestershire sauce
• 1 tsp Fish sauce
• 2 Bay leaves
• 6 sprigs Fresh thyme
• 1 tsp Hot sauce
• 6 oz Mustard greens
• 1/3 cup Rice vinegar
• 1/3 cup Water
• 1 1/2 tbsp Sugar
• 1 tsp Kosher salt (for pickles)
• 1/2 tsp Crushed red pepper flakes
• 2 tbsp Dijon mustard
• 3 tbsp Mayonnaise
• 1 tbsp Prepared horseradish
• 1 tbsp Whole-grain mustard
• 1 tsp Lemon juice
• 6 Soft sandwich rolls
• 2 tbsp Unsalted butter