Whisk the yogurt, honey, vanilla, and salt together in a medium bowl. Pour onto the baking sheet and use a spatula to spread into an even layer about 1/2-inch thick (it will not reach to the edges of the baking sheet).
Place the strawberries, pistachios, and remaining 2 tablespoons honey in a small bowl and mix gently to combine. Scatter the strawberry-pistachio mixture evenly over the yogurt
Freeze uncovered until solid, about 4 hours. Pick up the bark by grasping the foil and lifting it up and onto a cutting board. Cut into serving pieces and serve immediately, or keep frozen in an resealable plastic bag.