@rosemarybloor
Maybe we have to use matcha produced in Japan?
I tried domestic matcha today. It was fine when I opened the package. The powder was very fine and smelled nice, but the color was a bit dark. After baking, the color turned yell https://imagedelivery.net/BXluQx4ige9GuW0Ia56BHw/5cb02e48-9785-4035-afb1-c7730d1c2000/original