Keto Cobbler

Filling:3 cups berries (I used raspberries, blackberries, and blueberries)2 tablespoons granulated Swerve 1 teaspoon cinnamonPinch of saltCrust:1 1/2 cups almond flour1 egg 1 teaspoon vanilla extract 2 tablespoons granulated Swerve1 stick butter, softened