Don't add ice first into the blender since you won't get an efficient blend.
Homemade Frappuccino base syrup is the key ingredient to making Frappuccinos just like Starbucks. Make a batch ahead of time and store it in the refrigerator.
Starbucks uses a pre-sweetened matcha but I couldn't find one that was as good, so I got unsweetened matcha and added sweetener separately. This is the way Starbucks makes Matcha Frappuccinos in Canada. In the US, they use the pre-sweetened matcha.
All Frappuccinos are made with whole milk at Starbucks but you can use whatever kind of milk you like.
If you want to make this drink without Frappuccino base syrup, try my Quick & Easy Matcha Frappuccino recipe. It uses sweetened condensed milk instead of the base syrup. It has less of a smooth texture but still delicious.
The longer you whisk the heavy cream and vanilla syrup with a handheld milk frother, the thicker it'll get. To get fluffy whipped cream, whisk until you get soft peaks, which should take about 30 seconds. Spoon the whipped cream onto the drink.
The brighter the green the matcha, the higher the quality. Look to spend at least $20. Anything that costs less than that will have a muddy green, almost brown color.