Sausage Sandwich (the best)

A classic British sausage sandwich of browned pork sausages, soft fried red onion and fresh white bread. It is quick to make and easy to finish with your favourite sauce.
Ingredients
- 4high-quality pork sausages, brought to room temperature
- 4 slicesfresh white bread
- 1red onion, sliced
- 1 tbspolive oil or butter, plus extra butter to serve
- 1 tspvinegar (optional)
- To serveketchup, brown sauce or mustard
- 1 pinchsalt
Instructions
- 1
Heat the grill
Set the grill to medium-high heat.
- 2
Arrange sausages
Put the sausages on a grill rack lined with foil.
- 3
Brown the sausages
Grill the sausages, turning them regularly, until browned on all sides. This should take about 10 minutes.
- 4
Fry the onion
Meanwhile, heat a frying pan over a medium heat. Add the olive oil or butter, then fry the onion for 5 minutes.
- 5
Soften the onion
Add the vinegar, if using, and a pinch of salt. Fry for another 5 minutes, until the onion is soft and translucent.
- 6
Check the sausages
Once cooked, remove the sausages from under the grill.
- 7
Toast the bread
Lightly toast one side of each piece of bread under the grill or on a griddle.
- 8
Butter the toast
Spread a thin layer of butter over the toasted side of each piece of bread.
- 9
Assemble and serve
Slice the sausages in half lengthways and place them on the bread. Add the fried onions and serve straight away with ketchup, brown sauce and/or mustard.
What is a sausage sandwich?
A sausage sandwich is a familiar British meal: cooked sausages tucked into bread and finished with a sauce or relish. This version pairs pork sausages with sweet, softened red onion and lightly toasted white bread.
The appeal is in the contrast between savoury sausage, tender onion and crisp-edged bread. Keeping the toppings simple lets the sausages remain the focus.
Nutrition and macros by portion
The nutrition label shows one serving as written: 743 calories, 32g protein, 32g carbs, 53g fat.
| Portion | Adjustment | kcal | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| Lighter | Use less butter | 520 kcal | 22g | 22g | 37g |
| This serving | As written | 743 kcal | 32g | 32g | 53g |
| Hungry | Add another sausage | 1115 kcal | 48g | 48g | 80g |
The bread supplies most of the carbohydrates, while the pork sausages contribute much of the protein and fat; the cooking fat and butter add further fat. Pair a sandwich with vegetables or salad for a more balanced plate.
Choosing the sausages
Sausages: choose good-quality pork sausages that will brown well under the grill. Bringing them to room temperature before cooking helps them cook more evenly.
Getting the onion soft
First fry: give the sliced onion 5 minutes in olive oil or butter over a medium heat. Stir it as needed so it softens without catching.
Finish: add the optional vinegar and salt, then cook for another 5 minutes. The onion is ready when it looks soft and translucent.
Grilling the sausages
Turning: turn the sausages regularly so each side browns, allowing about 10 minutes in total. The recipe calls for browned sausages that are cooked through before serving.
Toasting and assembling
Bread: toast just one side of each slice, then butter that side lightly. This gives the sandwich a little crunch while keeping the bread tender.
Assembly: slice the cooked sausages in half lengthways and layer them with the fried onion. Serve immediately so the bread does not sit under the hot filling for too long.
Sauces and sides
Sauce: ketchup, brown sauce and mustard are all listed options, so choose one or offer a selection at the table. Use enough to complement the filling without overwhelming it.
To make the meal more substantial, serve the sandwiches with a simple salad or vegetables alongside.
Recipe notes & tips
- Bring the sausages to room temperature before you start cooking.
- Line the grill rack with foil to make it easier to clean.
- Turn the sausages regularly so they brown on all sides.
- Keep the onion over a medium heat so it softens rather than catches.
- Toast only one side of each slice, as directed, before buttering it.
- Assemble the sandwiches just before serving.
Variations
- Try mustard: spread a little mustard on the bread or serve it at the table.
- Use brown sauce: choose it for a savoury, tangy finish.
- Add vinegar: include the optional teaspoon while cooking the onion for extra tang.
- Choose butter: cook the onion in butter instead of olive oil for a richer flavour.
- Use ketchup: serve it alongside or spoon a little over the filling.
Common mistakes to avoid
- Uneven browning: turn the sausages regularly as they cook under the grill.
- Onion catching: keep the pan at a medium heat and stir the onion as needed.
- Soggy bread: assemble the sandwiches immediately before serving.
- Over-toasting: toast just one side of each slice until lightly crisp.
- Skipping the doneness check: remove the sausages only once cooked through.
How to store
These sandwiches are best eaten straight away. Refrigerate leftover cooked sausages and onion in a covered container for up to 3 days, then reheat until piping hot and assemble with fresh bread.
Frequently asked questions
How long do the sausages take under the grill?
Allow approximately 10 minutes, turning them regularly until browned on all sides. Check that they are cooked through before serving.
Can I leave out the vinegar?
Yes. The vinegar is optional, so you can fry the onion with just the oil or butter and salt.
Can I use oil instead of butter for the onion?
Yes. The recipe gives olive oil or butter as alternatives for frying the onion.
Which sauce goes best with a sausage sandwich?
Ketchup, brown sauce and mustard are all suggested. Choose the one you enjoy most, or serve a few options.
Can I prepare the onion ahead?
You can fry it ahead and refrigerate it in a covered container. Reheat it before assembling the sandwiches.
Cook it from the original
This recipe comes from knifeandsoul.com. Their page has the author’s own photos, notes and tips — the best place to cook it from.
Open the recipe on knifeandsoul.com