Sesame Beef - my way

I have no idea what's actually in sesame beef, beyond beef and sesame seeds. This is what I made a couple of nights ago.

2 chuck steaks, sliced thin
1C hoisin sauce
1/2C soy sauce

1/4 red cabbage, shredded
1 (or 2 if you want) red peppers, seeded, membrane removed, and sliced thinly
1 zucchini, sliced in half lengthwise, then crosswise about 1/4" slices
2tsp olive oil
1/2tsp sesame oil
toasted sesame seeds

Coconut Rice
- prepare rice as usual, except leave out 1/2C water and add 1 can coconut milk

Combine hoisin sauce and soy sauce. use to marinate beef overnight.
Saute red peppers in olive oil over medium heat in a dutch oven until they just start turning brown, then add cabbage and beef. Cover, reduce heat to med-low and cook about 6 minutes, until beef is no longer pink, but take care not to overcook the meat. Add zucchini about 3 minutes after beef. Sprinkle with sesame seeds, drizzle with sesame oil and stir. Serve over coconut rice.