Slow Cooker Gammon being sliced on a board

If you’ve never made gammon in the slow cooker before you’re missing out. It’s ridiculously simple, and within hours you can have perfectly cooked super tender meat. The gammon is slowly cooked in sweet apple juice and finished off with a honey and mustard glaze to transform a simple cut into a truly special dish.

How long does gammon take to cook in the slow cooker?

I typically cook a 750g / 1.6lb gammon joint since I’m not usually cooking for a crowd (and since I’m usually cooking for one, 750g keeps me going for days!). 3-4 hours on high or 6-8 hours on low is a good amount of time for a piece this size. If you are cooking a larger piece then I’d increase that slightly. As a guide:

Metric WeightImperial WeightCooking Time – HighCooking Time – Low
500g – 1kg1.1lb – 1.6lb3-4 hours6-8 hours
1kg – 2kg1.6lb – 3.2lb4-5 hours 8-10 hours

How long does it keep?

Cooked gammon will last for up to 4 days when kept well covered in the fridge. There really is no better excuse to make more than you need and enjoy the leftovers for a few days after (see leftover uses below).

You can also freeze cooked gammon for up to 3 months. Make sure to defrost thoroughly before reheating.

When you are reheating the gammon (from chilled or after defrosting), it may not be quite as tender and juicy. To counteract this reheat slices in the oven in a baking dish and drizzle over a little apple juice, stock, or even water. Cover with foil and heat at 200C/400F until piping hot.

What can I serve it with?

It’s well worth serving some of this freshly cooked. Leave to rest for around 20 minutes before carving and then serve with some steamed veg and roasted potatoes. These lemon & thyme roast potatoes are a beautiful addition and a little apple sauce on the side is a great complement.

Then to the leftovers… You can make some pretty immense sandwiches with the cold meat. Layer bread with gammon, mustard, lettuce and tomato for a GLT.

The cold cuts also go well in a salad. It’s a great addition to a simple pasta salad. It’s also perfect for breakfast, serve with scrambled eggs on toast or in place of bacon in a fry up.

Slow cooker gammon from above

Ingredients

Believe it or not, you only need 5 ingredients to make this slow cooker gammon!

Slow Cooker Gammon Ingredients
  • Gammon joint – you can use either smoked or unsmoked depending on your taste preference
  • Onion – brown or white
  • Apple juice
  • Wholegrain mustard
  • Honey

Substitutions

There are several different things you can use instead of the apple juice. Why not try:

  • Cider
  • Coke (on my list to try – apparantly it works really well!)
  • Stock

You can also use dijon mustard instead of the wholegrain mustard.

How to make it

  1. First place the onion in the bottom of the slow cooker and then place the gammon on top. If it has a fatty side then place this upwards.
  2. Pour the apple juice around the gammon joint and then cook on high for 3-4 hours or low for 4-8 hours.
  3. While the gammon is cooking combine the honey and mustard in a bowl and then leave in the fridge until needed.
  4. When the gammon is ready heat the oven to 200C/400F. Remove the gammon from the slow cooker (you can discard the liquid). Cut away the thick skin on top of the fat layer, leaving a small layer of fat behind. Score the top layer of the ham (including any fleshy part) in a crosshatch pattern. Place the joint on a baking tray covered with foil and brush the honey and mustard mixture on top. Place in the oven for 10-15 minutes until the honey and mustard glaze has browned.
  5. Leave to rest for at least 20 minutes before carving.
Recipe steps

If you are looking for more great slow cooker pork recipes then try this slow cooker pork belly or this slow cooker pork paprikash.

Products that work well for this recipe:

Set of 4 Silicone Heat Resistant Pastry Brushes

[PREMIUM SILICONE AND HIGH TEMPERATURE RESISTANT] The basting brush is made of high-quality food grade silicone which is FDA approved and BPA free.

Sear and Stew Slow Cooker

Morphy Richards Slow Cooker Sear and Stew 3.5L – Hob proof cooking pot to sear and slow cook in the same pot – Cooking pot and glass lid dishwasher safe for easy cleaning – Toughened glass lid to monitor cooking – Shatter proof cooking pot for peace of mind

Beeswax Food Wraps

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Slow Cooker Gammon being sliced on a board

Slow Cooker Gammon


  • Author: caroline
  • Prep Time: 10 minutes
  • Cook Time: 5 hours
  • Total Time: 4 hours 10 minutes
  • Yield: 4 1x

Description

Transform an ordinary joint of gammon into something truly special! This slow cooker gammon is cooked in sweet apple juice and then basted with a honey and mustard glaze. Delicious!

Allow around 175-200g uncooked gammon per person for a generous portion – but I strongly suggest you make enough for leftovers! 


Scale

Ingredients

  • gammon joint – I used 0.75kg (1.6lb) but you can use a larger one and slightly adjust the cooking times (see notes)
  • 1 large onion, sliced into 810 pieces
  • 500ml / 2 cups apple juice (increase to up to 1l / 4 cups if you are using a larger piece of gammon)
  • 1 tbsp wholegrain mustard
  • 1 tbsp honey

Instructions

  1. Place the onion slices on the bottom of the slow cooker and then sit the gammon on top, fat side up. 
  2. Pour the apple juice around the gammon and then cook on high for 3-4 hours or on low for 7-8 hours. 
  3. Mix together the honey and mustard and place in the fridge until needed. 
  4. When cooked, remove the gammon from the slow cooker and heat the oven to 200C/400F. Remove the thick skin from the top fo the fat, leaving behind a thin layer of fat. Score the top of the fat in a cross-hatch pattern and then brush over the honey and mustard glaze. 
  5. Place in the oven for 10-15 minutes until the glaze has thickened and browned. 
  6. Leave to rest for at least 20 minutes before carving and serving. 

Notes

  1. You can use either smoked or unsmoked gammon, depending on your preference. 
  2. If you are using a larger joint (over 1kg/2.2lb) then increase the cooking time for high by 1 hour and the cooking time for low by 2 hours
  3. You can use cider, stock, or even coke instead of the apple juice to give a slightly different taste profile.
  • Category: Dinner
  • Method: Slow Cooker
  • Cuisine: British

Nutrition

  • Serving Size: 1 (From 175g / 6oz meat)
  • Calories: 330
  • Fat: 20g
  • Carbohydrates: 5.5g
  • Protein: 32g

Keywords: gammon, pork, meat, slow cooker, dinner, ham, easy

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