Recipe for Braised Brisket Mac and Cheese

Ingredients

• 1 tablespoon olive oil
• 1 (2-pound) beef brisket
• ½ + 1 teaspoons kosher salt, divided
• ¼ + ¼ teaspoon ground black pepper, divided
• 1 yellow onion, peeled and thinly sliced
• ¾ cup ketchup
• ¾ cup beef stock
• 2 cloves garlic, minced
• 1 tablespoon dark brown sugar
• 1 teaspoon paprika
• 1 teaspoon white vinegar
• 1 pound large elbow macaroni
• ½ cup unsalted butter
• ¼ cup all-purpose flour
• 4 cups whole milk
• 8 ounces sharp cheddar cheese, shredded
• ½ cup grated Parmesan cheese
• 1 ½ teaspoons kosher salt
• ¼ teaspoon ground black pepper
• ¾ cup panko breadcrumbs
• ¼ cup chopped fresh parsley