Heat blueberries, water, and sugar in a small saucepan over medium heat. Mash blueberries and simmer for 5 minutes, until the sauce thickens. Remove from heat and let the sauce cool.
Add matcha powder and water to a small bowl and whisk together with a matcha whisk or handheld frother.
Add 2 tablespoons of blueberry syrup to a glass filled with ice. Add oat milk, top with matcha, and serve.
Did You Make This Recipe?
Leave a comment below or tag us @tasting.with.tina on Instagram!