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Classic Bangers and Mash with Rich Onion Gravy

Two grilled sausages smothered in rich brown onion gravy served over creamy mashed potatoes, classic bangers and mash.

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Make this classic British comfort food at home. This recipe features juicy sausages, creamy mashed potatoes, and a deeply flavorful, homemade onion gravy for a hearty, satisfying dinner.

Ingredients

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  • 2 lbs Russet potatoes, peeled and quartered
  • 1/2 cup Milk, whole
  • 4 tbsp Unsalted butter
  • 1 tsp Salt, plus more for boiling water
  • 1/2 tsp Black pepper
  • 1 lb Quality pork sausages (Bangers)
  • 1 tbsp Olive oil
  • 2 large Yellow onions, thinly sliced
  • 2 tbsp All-purpose flour
  • 1 cup Beef broth, low sodium
  • 1/2 cup Dry red wine or Guinness (optional)
  • 1 tsp Worcestershire sauce
  • 1/2 tsp Dried thyme

Instructions

  1. Place the potatoes in a large pot and cover with cold, salted water. Bring to a boil and cook until fork-tender, about 15 to 20 minutes.
  2. While potatoes cook, prepare the sausages. Heat the olive oil in a large skillet over medium heat. Add the sausages and cook, turning occasionally, until browned on all sides and cooked through (about 12-15 minutes). Remove sausages and set aside, keeping warm.
  3. For the onion gravy, use the same skillet. Add the sliced onions to the remaining fat in the skillet. Cook over medium-low heat, stirring often, until the onions are deeply caramelized and soft, about 15 minutes.
  4. Sprinkle the flour over the onions and stir constantly for 1 minute to cook out the raw flour taste.
  5. Slowly whisk in the beef broth and red wine or Guinness, if using. Bring the mixture to a simmer, scraping up any browned bits from the bottom of the pan.
  6. Stir in the Worcestershire sauce and dried thyme. Let the gravy simmer until it thickens enough to coat the back of a spoon, about 5 minutes. Taste and adjust salt and pepper.
  7. Drain the cooked potatoes well. Return them to the hot pot. Add the butter, milk, 1 teaspoon of salt, and pepper. Mash until smooth and creamy.
  8. To serve, place a portion of creamy mashed potatoes on each plate. Top with two sausages and generously spoon the rich onion gravy over everything. Serve immediately.

Notes

  • For an authentic Irish touch, substitute the mashed potatoes with Colcannon (mashed potatoes mixed with chopped kale or cabbage).
  • If you prefer a quicker gravy, skip the wine/Guinness and use 1 1/2 cups of beef broth.
  • Browning the sausages well before simmering them in the gravy adds deeper flavor to the final dish.

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