Combine cilantro, rice vinegar, lemongrass, ginger, chili-garlic sauce, salt and water in a blender or food processor container and blend until chunky-smooth.
Add olive oil and blend just until incorporated, 20-30 seconds. Do not over blend after adding olive oil.
Taste and season if needed.
Notes
Adapted from Pinch of Yum.For further instruction and tips see Café Tips in post (above).