Blackberry Jam Pie

**filling
3 egg yolks
1 t vanilla extract
3/4 c sugar
1 c blackberry jam
2 T flour
1 c buttermilk
**meringue
2 egg whites
1/4 t cream of tartar
4 T powdered sugar
1/2 t vanilla extract

reheat oven to 350 degrees

Combine all the filling ingredients in the top of a double boiler. Cook, stirring, over hot water until mixture thickens to custard consistency. Remove from heat & beat with a wooden spoon until slightly cooled/

Prepare meringue. Whip egg whites until frothy. Beat in cream of tartar & continue beating until peaks start to form. Beat in powdered sugar 1 Tbsp at a time, then beat in vanilla.

Pour custard filling into baked pie shell. Cover w/meraingue. Bake for 10-15 minutes.