Begin by washing and dicing your rhubarb into 1-inch pieces, ensuring there are no leaves, as they are toxic. If you're using frozen rhubarb, allow it to thaw slightly for easier blending. Measure out 1 cup of frozen blueberries, as their chilly sweetness will perfectly complement the tartness of the rhubarb, setting the stage for your Rhubarb Blueberry Smoothie.

In a high-powered blender, add the diced rhubarb, frozen blueberries, 1 tablespoon of chia seeds, and 1 tablespoon of maple syrup. Pour in 1 cup of your choice of plant milk; almond or oat milk works beautifully here. Secure the lid tightly and prepare to blend until all ingredients are thoroughly combined, aiming for a smooth, creamy consistency that resembles a vibrant, pink sorbet.

After blending for about 30-45 seconds, pause to check the texture of your smoothie. If it appears too thick, slowly pour in an additional splash of plant milk or a handful of ice cubes to achieve your desired consistency. Blend again for another 15 seconds until the mixture is silky smooth.

Once you reach that perfect texture, taste your smoothie and decide if it needs a touch more sweetness. If desired, add an extra drizzle of maple syrup to enhance the flavor. Blend for a few more seconds to fully incorporate the syrup.

Pour the smoothie into tall glasses, watching it swirl delightfully as you fill them. For a beautiful presentation, garnish each serving with fresh blueberries or a sprig of mint. Enjoy immediately for the freshest flavor.