Rear shot of a professional french pastry chef using serrated knife to slice moist japanese matcha green tea sponge cake with delicious buttercream meringue, portioning in precision

cut slice precise precision professional japanese green tea matcha cake sponge portion knife japan bake inch pastry chiffon traditional flavor taste commercial kitchen food sweet dessert make process baking hand chef homemade preparation recipe culinary cream patissier patissiere ingredient delicious butter dairy sugar bakery icing frosting buttercream meringue serrated