Crust: combine rice flour, butter, stevia, baking powder, xantan gum, salt, and nutmeg in a medium sized bowl. In a small bowl, beat egg replacer, rice milk, and vanilla. Slowly mix wet ingredients into the dry. Set aside.
Filling: In a medium sized bowl combine all ingredients except vegan butter plus 2 Tbs water(or juice if canned peaches were used). Place filling in a baking dish and dot with vegan butter.