Preheat the oven to 325˚F (170˚C). Grease a baking sheet with cooking spray.
2. Step
Add the cashews to a food processor and pulse until finely ground.
3. Step
Add the oat flour, salt, maple syrup, milk, and vanilla to the food processor and blend until fully combined and the crust becomes very sticky and clumps together.
4. Step
Transfer the crust to the prepared baking sheet and use your hands to form it into the shape of a pizza, about ¼-inch (6 mm) thick.
5. Step
Bake for 10-15 minutes, or until the edges of the crust are just starting to turn golden brown.
6. Step
Let the crust cool completely, then chill in the refrigerator for 30 minutes.
7. Step
In a medium bowl, combine the Greek yogurt, maple syrup, and vanilla.
8. Step
Top the crust with the Greek yogurt mixture and spread evenly with a rubber spatula.
9. Step
Top with sliced fruit and sprinkle with lemon zest, if using.
