Chard Black and Blue

Ingredients

• 2 c water (depending on your preference)
• 2 c chard (2 large leaves)
• 1 c fresh or frozen blackberries
• 1 c fresh or frozen blueberries
• 1 ripe banana (not too ripe)
• 1/2 tsp. minced fresh ginger, plus more to taste
• pinch lemon zest, plus more to taste
• 1 tsp. acai powder (optional)
• 1 c or more of ice (if using fresh fruit)