Steps
1. In a blender, combine the mixed berries, banana, Greek yogurt, almond milk, honey, and ground flaxseed.
2. Blend on high until smooth and creamy, ensuring there are no lumps.
3. Taste and adjust sweetness if necessary, adding more honey if desired.
4. Pour the smoothie into a glass and garnish with fresh mint leaves.
5. Serve immediately and enjoy your healthy Belgian treat!