Sweat the chopped onions in vegetable oil over a medium heat with a pinch of salt and ground Sichuan pepper until translucent.Add the grated carrots, stir to combine and cook through for 2 minutes with a lid on the pan.
Remove from the stove and stir in the spring onion, keep aside.
Prepare the dipping sauce by mixing all ingredients together.
Prepare the dumplings
Combine the minced pork with the cooked carrot mix and chopped coriander. Add any other ingredients of your choice.Season with salt, Sichuan pepper, soy sauce, and oyster sauce.Add 4-5 tbsp of chicken stock and mix well.
Place a spoonful of filling onto a wrapper. Seal the wrapper to a shape you're most comfortable with. Repeat with all the wrappers.
Steam the dumplings
Place parchment paper or a bamboo mat inside the steamer basket. Slices of carrot will also help to avoid sticking.Bring water to the boil in a wok or pot, then place the steamer basket over the boiling water. If you have multiple baskets, you may stack up 2-3 baskets to steam all dumplings at once. Cover with a lid and steam over a medium heat for 20 minutes.