Created by Kerfuffle-Upon-Wincle (KUW) on January 12, 2015
Step 1: Heat oil in a large skillet or wok, over medium-high heat.
Step 2: Add garlic and ginger and cook until fragrant but not browned, 30 seconds to 1 minute.
Step 3: Add broccoli and cook, stirring, until the broccoli is bright green, 2 minutes.
Step 4: Drizzle water, brown sugar, and fish sauce over the broccoli; add red pepper flakes; reduce heat to medium, cover and cook until the broccoli is just tender, about 3 minutes.
Step 5: Stir in vinegar just before serving.