How did you marinate the meat? Lemon juice , salt, pepper, garlic and Greek oregano?
Ahhh...Ancient Chinese Secret.
It's pretty simple Jim.
Here's the recipe.
1 1/2 cups vegetable oil
3/4 cup soy sauce
1/2 cup white wine vinegar
1/3 cup lemon juice
1/4 cup Worcestershire sauce
2 tablespoons ground dry mustard
2 1/4 teaspoons salt
1 tablespoon ground black pepper
1 1/2 tablespoons chopped fresh parsley
2 tablespoons ground cloves
Mix together and refrigerate overnight.
Marinade meat cubes 4-12hrs of overnight.
Brush on while grilling.