Air Fryer Bangers and Mash

For the Bangers (Sausages)

• 4 pork sausages (Cumberland, Lincolnshire, or your favorite)
• ½ tablespoon olive oil (optional, for extra crispiness)

For the Mash

• 3 medium potatoes (peeled and chopped)
• 2 tablespoons butter
• ¼ cup milk (warm)
• Salt and pepper, to taste

For the Onion Gravy

• 1 small onion, thinly sliced
• ½ tablespoon butter
• ½ tablespoon flour
• 1 cup beef broth
• 1 teaspoon Worcestershire sauce
• Salt and pepper, to taste