Bring Brussels, lemon juice, salt and water to cover sprouts to boil. Cover, reduce heat and simmer until tender, 5-7 minute Drain and keep them warm,.
Melt 2 tbsp butter in the large skilet over medium-high heat, add onion and saute until caramel color. Add apple juice and cook for 2 minute.
Add apple, garlic, sugar; cook stirring constantly for 5-6 min or until apple is tender. Add water chestnuts, raisins, lemon rind, pepper, nutmeg, more salt to taste and 2 tbs butter; cook, stirring constantly, for 3-4 minute Gently toss in Brussels sprouts.