Ingredients

• 2 tablespoons mayonnaise

• 3 1/2 tablespoons whole-grain mustard, divided

• 1 tablespoon extra-virgin olive oil, plus more for shallow frying

• 1 tablespoon fresh lemon juice

• 2 1/2 teaspoons kosher salt, divided, plus more to taste

• 1 1/2 teaspoons black pepper, divided

• 8 ounces Brussels sprouts, trimmed and thinly sliced (about 2 cups)

• 4 (4-ounce) boneless pork loin cutlets

• 5 cups miniature pretzels

• 2/3 cup all-purpose flour (about 2 7/8 ounces)

• 3 large eggs

• 1/4 cup unsalted butter, cut into pieces and divided

• 1 ounce pecorino Romano cheese, shaved (about 1/2 cup), plus more for serving