Siam House 2520 US-22, Scotch Plains, NJ07076 Siam House is a quaint Thai restaurant with a very welcoming staff. The dining room is split down the middle by a short,…More dividing wall topped with Thailand-inspired trinkets. The restaurant is open for lunch as well as dinner; tables are re-set with nice linens for the dinner crowd. No MSG is used in any dishes. There is a $10 credit card minimum.