Slow Cooked Diet Coke Gammon

I adore gammon, and this Slow Cooked Diet Coke Gammon is a total must make if you’re looking for an easy, delicious way to meal prep a some meat to add to your healthy meals! I was lucky enough to be given an Instant Pot which has made it even easier for me to cook healthy, Slimming World friendly meals. Not only can I now cook quickly using the Instant Pot as a pressure cooker, but I can slow cook too not to mention plenty of other fab techniques.

This sensational Slow Cooked Diet Coke Gammon came about because I’ve always loved to cook gammon in cola, but that just didn’t seem like a possibility now that I’m avoiding all full fat fizzy drinks. I therefore got to thinking, what about Diet Coke gammon, could that possibly work? It turns out…that yes it does! 

Is This Slow Cooked Diet Coke Gammon Slimming World Friendly?

As with all meat on Slimming World, you have to cut off as much of the visible fat from your gammon joint as you can. Once you do that, the gammon is syn free. Therefore, this slow cooked Diet Coke gammon is also totally syn free! It’s packed full of flavour, melt in the mouth, and the meat just pulled apart after 10 hours in the slow cooker. The best thing is that it’s now doing me very well as lunch in so many different recipes! I know it seems like a long cooking time but I put this on to cook before bed and by the time I woke up… it was perfect! 

Slow Cooked Diet Coke Gammon

Tender, pull apart gammon full of flavour.

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  • 1 X large gammon joint
  • 1 X tbsp wostershire sauce
  • 2 X tbsp soy sauce
  • 1 X tbsp vegetable stock powder (or a stock cube)
  • 1 X 330ml can Diet Coke
  • 1 X tbsp mixed herbs (optional)
  • 1 X tspn paprika (optional)
  • 1/2 tspn mustard powder (optional)


  1. Remove all of the visible far from the gammon joint with a sharp knife and place the joint in your slow cooker.
  2. Add all of the other ingredients and set to cook for 10 hours on the slow cooker setting of your machine.
  3. After the programme had finished and following the machine instructions to shut down your cooker remove the joint. It may fall apart as you take it out, but that's how you know it's done!
  4. Using two fork or specialist implements, shred the gammon. and put it in a Tupperware with a few ladles of the cooking juices poured on top to keep it nice and moist! Store in the fridge.


Calories: 168 cal
Carbohydrates: 40 g
Fat: 1 g
Sodium: 1873 g
Protein: 3 g
Fiber: 3 g

Slow Cooked Gammon Recipe

I carefully removed the top layer of fat from the gammon using a sharp knife.

Slow Cooked Gammon Recipe

The gammon was cooked with all of the ingredients in the slow cooker for 10 hours!

Slow Cooked Gammon Recipe

After 10 hours the gammon is well cooked and melt in the mouth!

Slow Cooked Gammon Recipe

The gammon should fall apart into chunks as you remove it from the slow cooker.

Slow Cooked Gammon Recipe

Pull the gammon apart for tender and delicious strips of meat. I used these amazing ‘Bear Claws’.

Slow Cooked Gammon Recipe

Serve with any food you like, here I’ve paired it with roasted peppers, tomatoes, mushrooms and new potatoes (all cooked in the pressure cooker!)


  • Louise Turner

    14/01/2018 at 12:17 am

    Hello! Just put this recipe on fir the first time... just wondering what the last ingredient is supposed to be? Under 1/2tsp mustard powder (optional) it just says 1X tsp (optional)?? Looking forward to this for dinner. Thanks

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