Combine squid, soy sauce, and juice from 1 piece lemon and marinade for 30 minutes.
Heat a pan and pour-in 3 tablespoons cooking oil.
Sauté garlic, onion, celery, and tomato.
Put-in the ground pork and cook until the color turns light brown (about 5 minutes).
Add carrots, salt and ground black pepper then stir. Cook for 10 to 15 minutes. Turn-off heat and let cool.
Stuff the marinated squid with the cooked ground pork. Insert toothpicks at the opening of the squid to secure the filling.
Dip the stuffed squid in beaten egg then dredge in flour. Set aside.
Heat another pan and pour-in 7 tablespoons of cooking oil.
Pan-fry the squid. Cook each side for 3 to 5 minutes. Note: Do not overcook the squid so that it will remain tender.
Transfer the cooked squid in a serving plate and serve.
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