2 cups all-purpose flour
1/2 cup powdered confectioners’ sugar (or packed light brown sugar)
3/4 cup (1.5 sticks) cold unsalted butter, cubed
1/4 tsp fine sea salt
2 cups toasted pistachios (roughly chopped, plus extra whole pistachios for topping)
1/2 cup pure maple syrup (or dark corn syrup)
3/4 cup packed light brown sugar
4 tbsp unsalted butter, melted and cooled slightly
1.5 tsp pure vanilla extract
1/2 tsp fine sea salt
2 cups plain whole-milk dairy-free yogurt