Tunisian Potato Turnovers

Ingredients

• russet potatoes - (1 lb total) peeled

  and cut into 1" chunks
  2 unit
• Onion - (6 oz) peeled

  chopped
  1 unit
• garlic cloves peeled

  minced
  2 unit
• olive oil
  1 tablespoon
• minced Italian parsley
  3 tablespoon
• minced fresh cilantro
  3 tablespoon
• drained capers rinsed

  and coarsely chopped
  1 tablespoon
• salt
  1 teaspoon
• freshly-ground black pepper
  1/2 teaspoon
• egg separated
  1 unit
• egg roll wrappers - (6" square)
  12 unit
• vegetable oil for frying
  1 unit