Heat canola oil in a large nonstick skillet over medium-high heat.
Flatten each piece of pork to 1-inch thickness with fingertips; sprinkle pork with salt and pepper. Add pork to pan; cook 5 minutes on each side or until desired degree of doneness. Remove pork from pan; keep warm.
Add 1/4 cup water to pan, scraping to loosen browned bits. Add ginger and next 5 ingredients (through sesame oil) to pan; cook over medium-low heat 2 minutes. Stir in onions; serve sauce over pork.