The good old Long Kei is one of Macau's best Cantonese eateries and an excellent place for yum-cha and delicious dim-sum.
It's not too fancy or extravagant but the ambience is nice and authentic and the food is lovely (especially dim sum and seafood dishes).
Prices are more than reasonable
Open daily, 11 am - 10:30 pm
7b, Largo do Senado Phone: 2858 9508 , 2857 3970