C'est si bon Cafe is a dessert cafe in Trung Hòa, Yên Hòa, Hanoi, selling slices of French-style cake and drinks. Its cakes include milk crepe, red velvet, strawberry sponge and fruit cake, and they are not heavily sweetened. The ground floor has a high ceiling, an open full-height space and a corner staircase, and the cafe has been running since 2019. The drinks have less character than the cakes.