Step 1Combine the sea salt, lemon zest and thyme in a small bowl. Rub the sea salt mixture over the rind and into the cuts of the pork.
Step 2Using the Express CrockPot setting on BROWN/SEAR, brown the pork crackling side down until golden.
Step 3Arrange garlic and fennel around the pork. Pour apple cider into base of the pot.
Step 4Secure the lid of the Express CrockPot and ensure the steam valve is in the OPEN position. Set the Express CrockPot to SLOW cook LOW for 4 HOURS. Press START.
Step 5In the last two hours of cooking, add the apples.
Step 6Once the cooking is complete, remove the pork and wrap in foil to rest. Select the BROWN/SEAR function on the Express CrockPot.
Step 7Reduce the sauce by half and add the lemon zest, juice and sugar.
Step 8Using a stick mixer, blend all the ingredients together until a smooth sauce is formed.
Step 9Slice pork and serve with the apple and fennel sauce.