Stud pork loin with fennel seed by inserting the tip of a knife into the meat and pushing 4 or 5 seeds into a meat pocket. Cut about 15 evenly spaced pockets.
Combine sugar, salt, sage, marjoram, celery seed and dry mustard; rub pork loin with mixture.
Place meat on a rack in a shallow roasting pan. Roast uncovered for 2.5 hours. orPlace meat in a crock pot and cook on low for 6 hours.
Dice meat and set aside.
For the Lumpia
Add 2 tsp of oil to pan
Rinse bean sprouts and cook over medium heat
Once the sprouts have started to shrink, add the vegetables and heat through
Add pork and mix until combined
Move mixture to a large bowl
Add oil to pan for frying and heat on low
Place about a tbsp of pork mixture on an egg roll wrapper and fold, dip your finger in the bowl of water and use it to seal the wrapper closed. Set aside and continue until you have enough to start frying.
Fry and drain.
For the Dip
Mince garlic
Pour vinegar into a bowl and add garlic, salt and pepper