Preheat oven to 375°. Grease a 9" pie pan with unsalted butter. Sprinkle with 1 tablespoon sugar.
2
Arrange cherries in a single layer on bottom of pan. Set aside.
3
In a bowl, whisk together eggs, buttermilk, remaining sugar, almond flour, brown rice flour, vanilla, ginger, and 1/4 teaspoon salt until smooth. Pour evenly over fruit.
