1/4 cup Korean soy sauce
3 tablespoons sugar
1 tablespoon vegetable oil
1 teaspoon sesame oil
1 teaspoon toasted sesame seeds
3 medium garlic cloves (crushed)
3 green onions (chopped, including greens)
2 lbs sirloin

Dipping sauce

6 tablespoons Korean soy sauce
2 tablespoons rice vinegar
1 teaspoon fresh ginger (grated)
2 teaspoons crushed toasted sesame seeds
1/4 teaspoon cayenne pepper
1/4 teaspoon sweet paprika
1 pinch sugar