"Grade matcha" refers to the quality or class of matcha tea. It is a term used to describe the level of craftsmanship, flavor, and overall quality of the powdered green tea. Full definition
Its the perfect culinary grade matcha that can be used for a variety of concepts. (eatdrinkshrink.com)
Some of the culinary - grade matcha in the market used for latte, smoothie or dessert are even from late - summer or autumn harvest which tends to be muddy bitter. (encha.com)
Cooking grade matcha, apart from the added benefit of being more affordable, is actually better at providing a matcha flavour that truly shines through in your desserts. (homespuncapers.com)