Ultimate Sausage and Mash Pie (Comfort Food Classic) - My Home Made Recipe

Ingredients

• 8 thick pork sausages (about 1.5 lb / 680 g)
• 2 large yellow onions, thinly sliced
• 2 tablespoons vegetable oil
• 1 tablespoon all-purpose flour
• 2 cups (480 ml) beef stock
• 1 tablespoon Worcestershire sauce
• 4 sprigs fresh thyme
• Salt and black pepper
• 2.5 lb (1.1 kg) Russet or Yukon Gold potatoes, peeled and quartered
• 4 tablespoons unsalted butter
• 1/2 cup (120 ml) heavy cream
• 1/2 cup (60 g) grated sharp cheddar (optional)
• Salt and white pepper