Apple and Damson Pie

Pearls of Lutra says this pie has crimped edges.

1 uncooked pie crust

3 cups chopped apples
3 cups chopped damson plums
1/2 cup sugar
1/4 cup flour (any kind)
1/2 tsp. cinnamon
1/2 tsp. nutmeg

Preheat oven to 350 F. Mix all ingredients together. Place in pie crust, evening out the top. Crimp the edges of the crust. Bake for 30-40 minutes.