Step 1: Prepare the Filling
Heat 1 teaspoon oil in a large pan or wok over medium-high heat
Add minced garlic and grated ginger, sauté for 30 seconds
Add spring onion whites, cook for 1 minute
Add cabbage and carrots, stir-fry for 2-3 minutes
Add all three bell peppers (red, yellow, green)
Crumble in the vegetable stock cube
Season with salt and pepper
Cook for 3-4 minutes until vegetables are tender but still crisp
Add grated tofu and mix well
Add chili oil and spring onion greens
Cook for 2 more minutes, stirring constantly
Remove from heat and let filling cool completely
Step 2: Prepare Rice Paper Sheets
Fill a large shallow bowl or plate with warm water
Dip one rice paper sheet in water for 5-10 seconds
Remove and place on clean, damp kitchen towel or cutting board
Wait 30 seconds until rice paper becomes soft and pliable
Step 3: Fill and Wrap the Dumplings
Place 1-2 tablespoons of filling in center of softened rice paper
Fold bottom edge up over filling
Fold in both sides
Roll tightly from bottom to top to seal
Place seam-side down on plate
Repeat with remaining rice paper sheets and filling
Step 4: Steam the Dumplings
Line steamer basket with parchment paper or lightly oil it
Arrange dumplings in steamer, leaving space between each
Steam over boiling water for 8-10 minutes
Dumplings should be translucent and firm
Work in batches if necessary
Step 5: Make the Dipping Sauce
In a small bowl, combine soy sauce and rice wine vinegar
Add water and stir
Add jaggery (or brown sugar) and mix until dissolved
Add red chili sauce
Stir in chopped spring onion greens and cilantro
Mix well and set aside
Step 6: Serve
Remove steamed dumplings carefully from steamer
Arrange on serving plate
Serve hot with dipping sauce on the side
Enjoy immediately