Cheesy Sausage Mash Pie

Featured in Party Starters Everyone Will Fight Over.

Turn bangers and mash into something even better! This layered mash pie has sausages, rich onion gravy, and cheesy potatoes on top.
A woman wearing a chef's hat and apron.
Updated on Sun, 13 Apr 2025 10:58:28 GMT
A plate with mashed potatoes, savory sausage gravy, and green beans on the side. Pin it
A plate with mashed potatoes, savory sausage gravy, and green beans on the side. | cookbybook.com

My kitchen comes alive with this Sausage and Mash Pie - it's comfort on a plate. Watching those plump sausages sink beneath cheesy, tangy mashed potatoes and that dark onion gravy just makes me happy. Whenever I whip this up, I'm reminded that the simplest foods often bring the most joy to our table.

What Makes This Special

This dish takes regular bangers and mash to a whole new level. The onions turn sweet and dark in that red wine sauce while the mustard-cheese potato blanket on top makes everything better. It's now my favorite thing to cook when we need some good old-fashioned comfort food around here.

What You'll Need

  • Good Sausages: Don't skimp here - quality pork ones give the best taste.
  • Sweet Onions: They turn into something magical when slowly browned.
  • Red Wine: Adds amazing richness to the gravy.
  • Beef Stock: Gives that deep savory backbone.
  • Worcestershire: A little goes a long way.
  • Fresh Thyme: Works wonders with the other flavors.
  • Potatoes: They'll become our creamy topper.
  • Sharp Cheddar: Makes the potato topping so good you'll want to eat it alone.
  • Dijon Mustard: Brings that needed zip.
  • Butter and Milk: For mashed potatoes that'll make you swoon.

Let's Start Cooking

Sausage Magic
First I brown those sausages till they're golden all over and keep all those tasty bits in the pan for later.
Gravy Dreams
Next come the onions, getting all sticky and brown in the leftover sausage goodness before adding flour, butter and wine for an amazing sauce.
Perfect Mash
I always let my spuds sit after draining so they dry out a bit before mixing in the butter, milk, cheese and that all-important mustard.
Building Layers
Then everything goes in the dish - sausages tucked into that rich gravy with our special potato mix spread on top.
Golden Finish
The oven works its magic until everything's hot and the top turns beautifully brown.
A close-up of a golden-brown shepherd's pie, revealing savory sausage pieces and creamy mashed potatoes underneath a crispy topping. Pin it
A close-up of a golden-brown shepherd's pie, revealing savory sausage pieces and creamy mashed potatoes underneath a crispy topping. | cookbybook.com

My Kitchen Secrets

Letting those potatoes dry out after draining really changes the game texture-wise. Always get the best sausages you can find, they're what this dish is all about. I cool the gravy a bit before putting everything together so the layers stay nice and separate.

Planning Ahead

This pie works great with busy lives. You can make it and keep it in the fridge for a couple days or stick it in the freezer for later. It's like sending a gift to your future hungry self.

Perfect Partners

We love this with bright green veggies like fresh beans or crispy broccoli. Grab some good bread to mop up all that yummy gravy. Sometimes we'll crack open a bottle of red wine that goes so well with these rich flavors.

Make It Your Own

Try switching up your sausage types or playing with different cheeses in the potato topping. A handful of breadcrumbs scattered on top gives you an amazing crunch. Each little change adds something new to love about this dish.

Onion Magic

The slow-cooked onions really make this gravy sing. You can't rush them turning that beautiful golden color that brings out their natural sweetness. Using the leftover sausage bits when cooking them adds so much extra flavor.

Simple Swaps

If I don't have wine handy, I just add more stock or a tiny bit of balsamic vinegar. The gravy turns out rich and tasty anyway, and sometimes I actually like it better without.

Fresh Ideas

Some nights we'll try it with spicy chorizo or add a kick to the gravy. Chunky grain mustard gives the mash nice texture. My veggie friends swear it's just as good with plant sausages too.

Pure Comfort

This pie has turned into a family favorite at our house. Something about that mix of smooth potatoes, rich gravy and juicy sausages just brings everyone running to the dinner table. It's what comfort food is all about.

A plate of mashed potatoes topped with meatballs in gravy, accompanied by a side of green beans and a serving of cheesy baked potato. Pin it
A plate of mashed potatoes topped with meatballs in gravy, accompanied by a side of green beans and a serving of cheesy baked potato. | cookbybook.com

Frequently Asked Questions

→ Is this dish okay to prep ahead?
Totally! You can assemble it fully or just prep parts of it. If the gravy goes under the mash, let it cool first so it doesn’t sink. Expect extra baking time straight from the fridge.
→ Why let it sit before serving?
Giving it 5 minutes lets the layers set nicely, so they stay together when you slice it. If you skip this, it may fall apart on your plate.
→ Can I skip the red wine?
Sure, just swap it for more beef broth. If you decide to use some, pick a dry red like Merlot or Cabernet Sauvignon to get the best taste.
→ What’s the deal with steaming the potatoes dry?
Getting rid of the extra moisture helps the mash hold together better. If it’s too wet, it can sink into the gravy layer.
→ How should I freeze this?
Make the whole thing, freeze it, and then thaw in the fridge before baking. Just be sure it’s fully heated when you bake it.

Sausage Mash Pie

A warm and hearty meal with sausages in a rich onion gravy, all covered with cheesy mustard mashed potatoes.

Prep Time
15 Minutes
Cook Time
50 Minutes
Total Time
65 Minutes
By: Susan

Category: Appetizers

Difficulty: Intermediate

Cuisine: British

Yield: 6 Servings (6 servings)

Dietary: ~

Ingredients

01 12 pork sausages (28 oz total).
02 3 cups of beef broth.
03 1/2 cup of red wine.
04 14 oz sliced onions.
05 4 tablespoons of regular flour.
06 3 tablespoons of butter.
07 2 tablespoons of Worcestershire sauce.
08 1/4 to 1/2 teaspoon dried thyme.
09 4.4 lbs of peeled white potatoes.
10 1.5 cups shredded cheddar.
11 1/2 cup of cream or milk.
12 4 tablespoons butter for mashing.
13 1 tablespoon Dijon mustard.
14 Salt and black pepper as needed.
15 A drizzle of olive oil if required.

Instructions

Step 01

Boil peeled potatoes in salted water, drain, and let them dry for five minutes.

Step 02

Mix the hot potatoes with cream, butter, mustard, and cheese. Season generously.

Step 03

Cook sausages in a pan until browned and fully done, then slice them into diagonal pieces.

Step 04

Use sausage drippings to cook onions until golden and sweet, about 15 minutes.

Step 05

Make a roux with flour and butter, slowly add wine and broth, season, and let simmer.

Step 06

Place sausage pieces and sauce into a dish, rest for a bit, then top with the prepared mash.

Step 07

Bake at 200°C (390°F) for 20 minutes or until mashed topping turns golden.

Notes

  1. Use a baking sheet under the dish for easier cleanup.
  2. Let items cool slightly to enhance texture.
  3. Can be prepared in advance and stored in the fridge.

Tools You'll Need

  • A big pot.
  • Deep, wide skillet.
  • Baking dish (8x12 inches).
  • Potato masher or ricer.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains milk.
  • Contains wheat.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 987
  • Total Fat: 57 g
  • Total Carbohydrate: 83 g
  • Protein: 35 g