Mississippi Roast — Les Petites Gourmettes

Ingredients

• 1 boneless chuck roast, 3 to 4 pounds
• 2 teaspoons kosher salt, plus more to taste
• 1 ½ teaspoons freshly ground black pepper, plus more to taste
• ¼ cup flour
• 3 tablespoons neutral oil, like canola
• 6 tablespoons unsalted butter
• 8 to 12 pepperoncini peppers
• 2 tablespoons mayonnaise
• 2 teaspoons apple cider vinegar
• ½ teaspoon dried or 2 teaspoons fresh dill
• ¼ teaspoon sweet paprika
• 1 teaspoon buttermilk
• Chopped dill, for garnish
• Mashed potatoes, to serve alongside