This recipe for gammon cooked in the Instant Pot with ginger beer & rooibos is my new favourite way to prepare this Christmas dish. The cooking broth – which includes classic flavourings of carrot, celery, bay leaves and onion, is brought to spicy sweet life with ginger beer. The addition of earthy Rooibos tea gives it a delicious depth and dark colour. This cooking liquid is such an elixir I had to use it in the making of the glaze and saved the rest for future use. I think it would make an amazing base for ramen or as a stock to poach things in.

Instant Pot gammon with ginger beer & rooibos

Instant Pot gammon with ginger beer & rooibos

Instant Pot gammon with ginger beer & rooibos

Instant Pot gammon with ginger beer & rooibos

Instant Pot gammon with ginger beer & rooibos

This recipe like most things in the Instant Pot is super easy. You literally bang it all in and press play. At this time of year and when things are crazy busy, this is pure heaven.

*Cooks Notes ~ I made the glaze on the stove top but you could easily make it in the Instant Pot on the Sauté setting. 


  • 1 large smoked gammon approx 1.5kg – 2.5kg
  • 4 rooibos tea bags
  • 750ml strong ginger beer
  • 2 celery stalks
  • 2 medium carrots
  • 1 small white onion
  • 1 tsp allspice berries, crushed
  • ½ tsp black peppercorns
  • ½ tsp cloves
  • 3 bay leaves

Honey & mustard gammon glaze

  • 1.5 cups of cooking broth
  • ¼ cup of honey
  • 2 tsp Dijon mustard
  • Pinch of cloves
  • Bring the gammon to room temperature and remove all the outer casings including string. Boil the kettle.

Heat 1 cup (250ml) of the ginger beer in a jug in the microwave until hot and then add a cup of boiling water. Add the 4 Rooibos teabags to the liquid and allow it to infuse for at least 10 minutes. Remove the tea bags.

Roughly chop the celery, onion and carrots and place at the bottom of the Instant Pot. Put the gammon on top of the vegetables and then add the bay leaves and spices. Pour the 2 cups of tea mixture and the remaining 500ml of ginger beer over the gammon and adjust the vent to the sealing setting. Set the timer to the time necessary and then cook manual pressure on HIGH. Allow 15 minutes per 500gms of gammon, so 2 kgs of gammon will cook for 60 minutes.

Cook the gammon and then allow for a natural release of pressure. Remove and set aside. Strain the solids out of the cooking broth.

To make the glaze, put 1.5 cups of the strained cooking broth into a small pot and bring this to a boil. Add the cloves and honey and cook this down until it has thickened. This will take around 30 minutes or longer. Add the mustard around half way through and stir to ensure it is incorporated. The glaze should thicken even more once it’s off the heat.

When you are ready to serve / glaze the gammon, remove the thick outer fat layer from the gammon and cut a crisscross pattern into the fat. Place it on an oven tray under a hot grill ensuring that it is not too close to the element. Drop the oven rack to low if necessary. Once about half of the fat has started to render off, start brushing the glaze over the gammon and return to the grill. Keep a close eye and keep basting it a couple more times. Remove and set aside to serve either straight away or at room temperature a little later. Serve the leftover glaze on the side.

Decorate the serving platter with fresh bay leaves, rosemary, pomegranates or grilled peaches.

For my other Instant Pot recipes:

Confit duck legs with cherry sauce

Confit duck legs with cherry sauce made in the Instant Pot

Traditional South African Bootie with spicy fragrant rice made in the Instant Pot

This post is proud sponsored by Instant Pot South Africa


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  1. Gammon in an Instant Pot with ginger beer? Wow! Best gammon ever. So easy, so tasty, so different. Thank you Sam!

  2. Sam

    I’m so glad you enjoyed the recipe

  3. I made this gammon this weekend as a ‘practice round’ for our proper Christmas meal.
    I did the entire thing in my brand new Instant Pot Duo Crisp – the pressure cooking, the glaze in Saute mode, and the grilling using the air fryer lid on Broil (Grill) mode.
    Turned out AMAZING! We all can’t wait to try it again for Christmas lunch 😀

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