Place all ingredients into the blender, with the liquids at the bottom, then blend until smooth and to your desired consistency. If too thick, add more liquid. If too thin, add some ice to thicken up or more frozen fruit.
1 1/3 cup unsweetened almond milk, 1/3 cup plain kefir or plain greek yogurt, 3 pitted dates, 2/3 cup frozen raspberries, 3/4 cup frozen peach slices, Giant handful of baby spinach leaves