In Recipes, Signature Brands

The wonder of baking in the Instant Pot Duo Crisp!  The apple mixture is beautifully moist and dense, with a perfectly golden crispy crumble topping.  Serve this magical cake with vanilla ice cream or cream! 

  • Prep time: 20 mins
  • Cook time: 1 hour + air fry for 15-20 mins


  • Duo Crisp or Instant Pot plus Vortex air fryer
  • Springform cake tin (18 – 20cm, depending on 6L / 8L size)
  • Foil to cover

Serves 8


Apple mix:

  • 2 ½  cups / 3 medium apples, diced
  • 1 tsp cinnamon
  • 1 tsp mixed spice
  • 2 Tbsp brown sugar
  • 1 Tbsp lemon juice

For the batter:

  • 125ml / 115g / ½ cup canola oil
  • 150g / ¾  cup sugar
  • 1 tsp vanilla extract
  • 3 Tbsp / 45 ml milk
  • 2 large eggs
  • 225g / 1 ½  cups flour
  • 1 ½  tsp baking powder
  • 1 tsp salt
  • For the topping:
  • 45g flour
  • 75g demerara sugar
  • ½ tsp ground cinnamon
  • 50g cold butter
  • 2 Tbsp almond nibs (or nut of choice, roughly chopped)


For the apple mix:

  • In a bowl, combine diced apples with spices, lemon juice and sugar.
  • Mix and set aside.
  • For the cake batter:
  • In a mixing bowl, combine oil, sugar, vanilla, milk and eggs.
  • Whisk until well mixed.
  • In a separate bowl mix together flour, baking powder, and salt.
  • Combine wet and dry ingredients and mix.
  • Grease an 18cm springform cake tin.
  • Spread half of the batter on to the bottom of the tin.
  • Add half of the apple mixture evenly over the batter.
  • Then add the rest of the batter and smooth with a spatula.
  • Finish with the remaining half of the apple mix.
  • Wrap the cake tin very well in tinfoil.
  • Make a tinfoil sling to help lower the cake into the inner pot.
  • Pour 1 cup of water in the bottom of the inner pot and insert the trivet.
  • Lower the cake into the inner pot and secure the lid.
  • Pressure Cook on High for 60 minutes and allow a full natural release.

For the crumble topping:

  • Combine demerara sugar, flour, butter, cinnamon and almond nibs.
  • Mix into a rough crumble.
  • Remove the cooked cake, remove the foil, and dry the inner pot.
  • Sprinkle the streusel topping all over the cake.
  • Return the cake to the inner pot and switch to the Air Fryer lid.
  • Air Fry for 15 – 20 minutes at 180˚C until deeply golden brown and crispy.
  • Slice and serve warm with vanilla ice cream.
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