Combine 2 cups mango, 1½ cups strawberries, ¾ cup ice, 1 cup almond milk, ½ cup yogurt, the chopped dates and 1½ tablespoons chia seeds in a blender; process until smooth, stopping to scrape down the sides as needed, about 30 seconds.
Divide between 2 large glasses.
Garnish with strawberries, if desired.
