Beef & Guinness Cottage Pie with Cheesy Mash

A pub-style-at-home winter classic with rich stout-braised beef, glossy gravy, and a golden cap of cheesy mashed potatoes.

Ingredients

• 2 tbsp olive oil
• 1 kg (2.2 lb) beef mince (ground beef), preferably 80/20 for best flavor
• 1 1/2 tsp kosher salt (or 1 tsp fine salt), plus more to taste
• 1/2 tsp black pepper
• 1 large onion, finely diced
• 2 medium carrots, diced small
• 2 celery stalks, diced small
• 4 garlic cloves, minced
• 2 tbsp tomato paste
• 2 tbsp all-purpose flour
• 440 ml (14.9 oz) Guinness (1 can)
• 500 ml (2 cups) beef stock
• 2 tsp Worcestershire sauce (pantry staple for “pub” flavor)
• 2 bay leaves (optional)
• 1 tsp dried thyme (or 1 tbsp fresh, chopped)
• 150 g (1 cup) frozen peas
• 2 tbsp chopped parsley (optional)
• 1.2 kg (2.6 lb) potatoes (Yukon Gold or other all-rounders), peeled and cut into 3 cm chunks
• 60 g (4 tbsp) butter
• 120 ml (1/2 cup) milk (or more as needed)
• 150 g (1 1/2 cups) sharp cheddar, grated (plus extra for topping if you like)
• 1/2 tsp salt
• Black pepper, to taste

Method

• 1

  Step 1: Brown the beef (pub-style flavor foundation)

  Preheat oven to **200°C / 400°F** (180°C fan). Heat **1 tbsp oil** in a large deep skillet or Dutch oven over **high heat**. Add beef, **1 tsp salt** and pepper. Cook, breaking up, until you get real browning on the meat (not just grey), **8–10 minutes**. If your pan is crowded or watery, brown in 2 batches for better color. Transfer beef to a bowl.

• 2

  Step 2: Sauté the veg

  Reduce heat to **medium-high**. Add remaining **1 tbsp oil** (if needed), then onion, carrot, and celery. Cook until softened and lightly golden at the edges, **6–8 minutes**. Add garlic and cook until fragrant, **30 seconds**.

• 3

  Step 3: Build the gravy

  Stir in tomato paste and cook **1 minute** (this takes the raw edge off). Sprinkle in flour and stir continuously for **1 minute** to coat everything—this prevents a floury taste and thickens the sauce properly.

• 4

  Step 4: Guinness braise

  Pour in Guinness, stirring and scraping up the brown bits from the bottom (that’s your “pub” depth). Simmer **2 minutes**. Add beef stock, Worcestershire, thyme, bay leaves (if using), and the browned beef plus any juices. Bring to a simmer, then reduce to **medium-low** and cook uncovered until thick, glossy, and spoon-coating, **25–35 minutes**.

• 5

  Step 5: Cook the potatoes

  While the filling simmers, put potatoes in a large pot, cover with cold water, add a good pinch of salt. Bring to a boil, then cook until very tender (a knife slides through with no resistance), **15–18 minutes**. Drain well and return to the hot pot for **1 minute** to steam-dry (fluffier mash).

• 6

  Step 6: Make cheesy mash

  Mash potatoes until smooth (use a masher or ricer). Add butter and stir until melted. Add milk, cheddar, **1/2 tsp salt**, and pepper. Mix until creamy and scoopable (add a splash more milk if too stiff).

• 7

  Step 7: Assemble

  Stir peas (and parsley if using) into the beef filling. Remove bay leaves. Spoon filling into a **2.5–3 L (9x13-inch)** baking dish and level the top. Dollop mash over the surface, then spread to the edges to seal. Rough up the top with a fork for crispy ridges. Sprinkle a little extra cheddar if desired.

• 8

  Step 8: Bake until golden

  Bake **20–25 minutes** until the edges are bubbling and the top is golden. For extra “pub grill” finish, broil/grill on high for **2–4 minutes** to deepen color—watch closely.

• 9

  Step 9: Rest and serve

  Rest **10 minutes** (the gravy thickens and serving is cleaner). Serve hot—properly hearty.

Tips

• **Thicker gravy insurance:** If your filling looks a touch loose, simmer it a bit longer—Guinness needs time to reduce and mellow. The filling should be thick *before* baking.
• **Make-ahead:** Assemble fully, cool, cover and refrigerate up to **2 days**. Bake from cold at **180°C / 350°F** for **35–45 minutes** until piping hot in the center.
• **Freeze:** Freeze baked or unbaked (well wrapped) up to **3 months**. Thaw overnight then bake until hot and bubbling.
• **Cheese options:** Sharp cheddar is classic, but any good melting cheese works (cheddar blend, tasty cheese). Keep it bold for that pub-style punch.
• **Serve it like a local:** A simple green veg or a crisp side salad cuts the richness (and feels very “pub at home”).

Nutrition (per serving, estimate)