Combine sliced celery, sliced mushrooms, onion bouillon, finely chopped onion, peppers, sherry extract, soy sauce, salt, pepper, ginger, and nutmeg in a saucepan.

Cover the saucepan and cook over low heat for about 10 minutes.

Check that the onions and celery are tender but still crisp.

Add the cooked and thinly sliced pork and pimentos to the saucepan.

Mix all ingredients together thoroughly.

Continue cooking for an additional 3 minutes.

Ensure the mixture is hot throughout.

Serve the Pork Sum Gum over cooked rice.

Garnish as desired and serve immediately. Yields 4 servings.