Okinawa-Style Pork

• Boston Butt (10 lbs.)
• 4 cups shoyu
• 1/3 cup vinegar
• 2¼ cups brown sugar
• 3 tbsp. salt
• 3 tsp. monosodium glutamate
• ginger, garlic (3)

Combine above ingredients. Put pork into mixture and cook for 1 to 1½ hours, medium heat until mixture boils, then on low until pork is cooked.