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Home » Recipes

Sausages with Caramelised Onion Gravy

Published: Oct 15, 2021 · Modified: Oct 6, 2025 by Deborah · This post may contain affiliate links · This blog generates income via ads · #sponsoredpost · Leave a Comment

Sausages with caramelised onion gravy on top of mustard mash on a blue and white patterned dinner plate. A bowl of broccoli and a mustard napkin on the side.
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This sausages with caramelised onion gravy recipe features perfectly browned sausages, a rich and savoury onion gravy, and is perfect for weeknight dinners or special occasions!

A classic comfort food, what's better when it's cold outside than grilled sausages with a flavourful gravy, some mash and veg on the side!

Choose your favourite sausages to grill and enjoy with this gravy that is full of flavour...with sweetness from the onions and sugar, balanced perfectly with the stock and balsamic vinegar.

Tips

  • Vegetarian option - use plant-based sausages and vegetable stock for the gravy.
  • Gluten-free option - replace flour with cornflour or a gluten-free flour blend.
  • Herbs - add fresh thyme or rosemary to the gravy, for depth.
  • Sausage variations - try different types of sausages, such as pork, chicken or spicy Italian, to change the flavour profile.
  • This sausages with caramelised onion gravy is easily adapted if you're cooking for more or less people...or leftovers can be reheated and enjoyed another day.

FREQUENTLY ASKED QUESTIONS

Can I make this recipe ahead of time? 

Yes - prepare the gravy ahead of time and keep it in the fridge for up to 3 days. Reheat it gently on the hob before serving. 

What’s the best way to caramelise onions? 

Cook sliced onions slowly over a low heat with a pinch of salt and a bit of sugar to enhance the natural sweetness. Stir occasionally to prevent burning. 

Can I use pre-cooked sausages? 

Absolutely - simply brown them in a pan to add colour and heat through before serving with the gravy. 

Can I freeze the gravy? 

Yes - the onion gravy freezes well. Keep it in an airtight container for up to 3 months. Thaw overnight in the fridge and reheat before serving. 

What can I serve with this dish? 

Serve with creamy mashed potatoes, Yorkshire puddings, steamed vegetables, or crusty bread to soak up the gravy. 

How do I prevent the gravy from being too thin? 

If the gravy is too thin, mix a tsp of cornflour with cold water and whisk it into the gravy while simmering until it thickens. 

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How to make this Sausages with Caramelised Onion Gravy

Ingredients

  • 6 pork sausages (see Tips)

For the gravy:

  • 1 tsp sunflower or vegetable oil
  • 1 onion (approx. 190g), halved and thinly sliced
  • 1.5 tsp caster sugar
  • 1 tbsp balsamic vinegar
  • 0.25 tsp Worcestershire sauce
  • 1 tbsp plain flour
  • 350ml chicken stock
  • salt and freshly ground black pepper

Instructions

  1. Heat the grill to high, however, if using your air fryer, wait until step 3.
  2. Make the gravy - heat the oil over a medium heat in a medium a saucepan. Add the sliced onion and cook slowly on a low to medium heat for 15 minutes, until they are soft and caramelised, stirring occasionally. Add the sugar, balsamic vinegar and Worcestershire sauce and cook for 5 minutes, until sticky.
  3. Grill the sausages according to the packet instructions (normally 12 to 15 minutes, turning every 3 to 4 minutes). If using your air fryer, either broil at 200C for 12 minutes, or air fry at 180C for 15 minutes.
  4. To finish the gravy, stir the flour into the onions to make a paste and cook for 1.5 minutes. Increase the heat to medium and pour in the stock, stirring continuously, a little at a time, until you have a smooth, thick sauce. Season, to taste, and reduce the heat to a simmer and cook for 15 minutes.
  5. Serve the sausages with the gravy and some mashed potatoes or mustard mash and extra vegetables on the side, if you like.

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Sausages with caramelised onion gravy on top of mustard mash on a blue and white patterned dinner plate. A bowl of broccoli and a mustard napkin on the side.

Sausages with Caramelised Onion Gravy

By: Deborah
This sausages with caramelised onion gravy recipe features perfectly browned sausages, a rich and savoury onion gravy, and is perfect for weeknight dinners or special occasions!
PREP: 10 minutes minutes
COOK: 30 minutes minutes
TOTAL: 40 minutes minutes
Course: Main
Cuisine: British
Servings: 2 people
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Equipment

  • Saucepan

Ingredients

  • 6 pork sausages (see Notes)

For the gravy:

  • 1 tsp sunflower or vegetable oil
  • 1 (3.9 oz) onion (approx. 190g) halved and thinly sliced
  • 1.5 tsp caster sugar
  • 1 tbsp balsamic vinegar
  • 0.25 tsp Worcestershire sauce
  • 1 tbsp plain flour
  • 350 ml (1 ½ cups) chicken stock
  • salt and freshly ground black pepper

Instructions

  • Heat the grill to high, however, if using your air fryer, wait until step 3.
  • Make the gravy - heat the oil over a medium heat in a medium a saucepan. Add the sliced onion and cook slowly on a low to medium heat for 15 minutes, until they are soft and caramelised, stirring occasionally. Add the sugar, balsamic vinegar and Worcestershire sauce and cook for 5 minutes, until sticky.
  • Grill the sausages according to the packet instructions (normally 12 to 15 minutes, turning every 3 to 4 minutes). Or, if using your air fryer, either broil at 200C for 12 minutes, or air fry at 180C for 15 minutes.
  • To finish the gravy, stir the flour into the onions to make a paste and cook for 1.5 minutes. Increase the heat to medium and pour in the stock, stirring continuously, a little at a time, until you have a smooth, thick sauce. Season, to taste, and reduce the heat to a simmer and cook for 15 minutes.
  • Serve the sausages with the gravy and some mashed potatoes or mustard mash and extra vegetables on the side, if you like.

Notes

  • Vegetarian option - use plant-based sausages and vegetable stock for the gravy.
  • Gluten-free option - replace flour with cornflour or a gluten-free flour blend.
  • Herbs - add fresh thyme or rosemary to the gravy, for depth.
  • Sausage variations - try different types of sausages, such as pork, chicken or spicy Italian, to change the flavour profile.
  • This sausages with caramelised onion gravy is easily adapted if you're cooking for more or less people...or leftovers can be reheated and enjoyed another day.

 

You might also like to try:
  • pork dishes
 

Nutrition

Calories: 763kcal | Carbohydrates: 22g | Protein: 36g | Fat: 58g | Saturated Fat: 19g | Polyunsaturated Fat: 9g | Monounsaturated Fat: 25g | Trans Fat: 0.4g | Cholesterol: 149mg | Sodium: 1561mg | Potassium: 840mg | Fiber: 2g | Sugar: 11g | Vitamin A: 158IU | Vitamin C: 9mg | Calcium: 49mg | Iron: 3mg

Nutrition information is automatically calculated, so should only be used as an approximation.

KEYWORDS bangers and mash, comfort food, sausages with gravy, sausages with onion gravy, winter warmer
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About

Photo of Deborah in her kitchen!

Hello!   I’m Deborah and I’m married to David and have 2 lovely step sons.   David and I both love cooking…for ourselves, family and friends.   I’m definitely one of the lucky ones…getting cooked for and we enjoy cooking together.

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