Bangers and Mash

Name: Bangers and Mash
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4
Ingredients: Ingredients; 8 large British pork sausages (or Italian if unavailable); 2 lbs Yukon Gold potatoes, peeled and cut into chunks; 4 tablespoons butter; 1/3 cup whole milk or heavy cream; Salt and black pepper to taste; 2 tablespoons vegetable oil; Onion Gravy; 3 large onions, thinly sliced; 2 tablespoons butter; 2 tablespoons all-purpose flour; 2 cups beef stock; 1 tablespoon Worcestershire sauce; 1 teaspoon fresh thyme leaves; Salt and pepper to taste; 1 tablespoon brown sugar (optional)