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Guinness Cottage Pie on a green plate.

Guinness Cottage Pie

This Guinness Cottage Pie is a rich and hearty comfort food classic made with savory ground beef simmered in a flavorful Guinness stout gravy, topped with creamy mashed potatoes, and baked until golden. It’s the perfect cozy meal for St. Patrick’s Day or any chilly evening.
Prep Time 20 minutes
Cook Time 35 minutes
Total Time 55 minutes
Course Main Course
Cuisine Irish
Servings 6

Equipment

  • Large skillet or sauté pan
  • Potato masher
  • Large pot for boiling potatoes
  • 9x13 baking dish
  • 9x13 baking dish

Ingredients
  

For the Filling

  • 1 lb ground beef
  • 1 tablespoon olive oil
  • 1 small onion, diced
  • 2 cloves garlic, minced
  • 2 carrots, diced
  • 1 cup frozen peas
  • 2 tablespoon tomato paste
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon fresh thyme (or ½ teaspoon dried)
  • 1 teaspoon fresh rosemary, minced (optional)
  • 1 cup Guinness stout
  • 1 cup beef broth
  • 2 tablespoon flour
  • Salt and pepper to taste

For the Mashed Potato Topping

  • 2 ibs Yukon gold potatoes, peeled and cubed
  • 4 tablespoon butter
  • ½ cup ½ cup heavy cream or milk
  • ½ cup shredded Irish cheddar
  • Salt and pepper to taste

Instructions
 

1. Make the Mashed Potatoes

  • Boil potatoes in salted water until fork tender (about 15 minutes).Drain and mash with butter, cream, salt, and pepper. Stir in cheddar if using. Set aside.

2. Cook the Filling

  • Heat olive oil in a large skillet over medium heat.Add onion and carrots and cook about 5 minutes until softened.
  • Add garlic and cook another 30 seconds.

3. Brown the Beef

  • Add ground beef and cook until browned. Drain excess grease if needed.

4. Build the Sauce

  • Stir in tomato paste and cook for 1 minute.
  • Sprinkle flour over the mixture and stir well.
  • Pour in Guinness and beef broth, stirring to combine.
  • Add Worcestershire sauce, thyme, rosemary, salt, and pepper.
  • Simmer about 8–10 minutes until thickened.
  • Stir in frozen peas.

5. Assemble the Pie

  • Preheat oven to 400°F.
  • Spread beef mixture evenly in a baking dish.
  • Top with mashed potatoes, spreading evenly. Use a fork to create ridges for crispy edges.

6. Bake

  • Bake 20–25 minutes until bubbling and golden on top.

Notes

  • Let the pie rest 10 minutes before serving so it sets up nicely.
  • Adding a little cheddar cheese to the potatoes gives a delicious golden crust.
  • A sprinkle of fresh parsley before serving adds color and freshness.
Keyword Guinness beef pie, Guinness cottage pie, Irish cottage pie recipe, St Patrick’s Day cottage pie