In a small saucepan, combine fresh or frozen blueberries with a splash of water. Heat over medium-high for about 5 minutes, stirring and mashing gently until the mixture thickens.

Remove from heat and stir in your chosen sweetener, adjusting to taste. Allow the blueberry sauce to cool to room temperature.

In a separate bowl, add matcha powder and pour in hot water. Whisk until smooth and frothy.

In a serving glass, layer the cooled blueberry sauce, then add ice cubes. Pour in plant-based milk, allowing it to create a swirl.

Gently pour the whisked matcha over the milk, creating a layered effect. Stir slightly with a straw or spoon.