Combine the strawberries and sugar in a bowl and stir to combine. Cover and refrigerate for 30 minutes or overnight.
Divide half the strawberries into two clear glasses.
Add half the Greek yogurt on top.
Add half the blueberries on top.
Add all the granola on top.
Repeat with one more layer of strawberries, one more layer of Greek yogurt, and one more layer of the blueberries. (red, white, blue, granola, red, white, blue)
Serve immediately for best consistency.
Notes
Storage: Store any leftovers sealed with a plastic wrap in the fridge for up to 3 days.