Slice baby portobello mushrooms - for optional topping
Small bay shrimp - for optional topping
Finely chop up shrimp until the texture resembles a thick and chunky paste. Alternatively, blend shrimp in a food processor for 30 seconds. Place shrimp in a mixing bowl. Add the rest of the filling ingredients into the bowl. Mix for 20 seconds until evenly combined.
Place a heaping tablespoon of filling in the center of your dumpling wrapper. Fold up the side of the wrapper, but leave the top of the dumpling open. Place on a lined baking sheet and repeat with remaining wrappers and filling. For an optional topping, place a small bay shrimp or seared mushroom slice on each dumpling.
Set up your steamer. Bring a pot of water (the same diameter as your bamboo steamer) to a rapid boil. Line the bamboo steamer with perforated parchment or spray with nonstick spray. Arrange dumplings in the steamer, cover, and steam for 7-8 minutes.
Remove dumplings from the steamer and enjoy with dark soy sauce and chili oil.