Baked or Fried Pulled Pork Egg Rolls

Name: Baked or Fried Pulled Pork Egg Rolls
Ingredients: 8 ounces cabbage (4 to 5 cups shredded or thinly sliced); 1/2 cup shredded carrots; 1/4 cup red onion (thinly sliced); 1/2 cup sugar; 1/2 cup cider vinegar; 1/3 cup canola oil; 1/2 teaspoon celery seeds; 1/2 teaspoon dry mustard; Pinch hot red pepper flakes; 1 1/2 to 2 cups prepared pulled pork (moistened with a little barbecue sauce, or about 1 pound purchased pulled pork*); 15 to 18 egg roll wrappers; 1 egg white; 1 tablespoon water; Barbecue or sweet and sour sauce (for dipping)