Combine the spinach, blueberries, feta, and pistachios in a large bowl.
In a blender, combine the tahini, strawberries, and lemon juice. Blend until smooth, adding water as needed to thin out the dressing. Drizzle over the salad, toss, and enjoy!
Notes
To make this a complete meal, serve with a lean protein, such as salmon or chicken.
The dressing can be made up to 5 days in advance. Store in the fridge and stir well before using.