Recipe(tried): Green Tomato Pie

This was my Mother's recipe I remember from when I was small.

GREEN TOMATO PIE

pastry for double crust pie
FOR THE FILLING:
2 Tbsp. flour (or tapioca)
1 1/2 cups sugar
4 1/2 cups thinly sliced green tomatoes
salt
1/2 tsp. ground ginger
1/2 tsp. ground cinnamon
3 tbsp. butter
1 1/2 tsp. vinegar
FOR TOPPING:
1 egg beaten with 1 tsp. water (for egg wash)
sugar (for sprinkling on top)

Preheat oven to 350 degrees F.

Mix flour or tapioca and sugar. Sprinkle 1/4 of this over bottom crust. Add tomatoes sprinkle with salt. Cover with spices and remaining sugar mixture. Dot with butter and sprinkle with vinegar.

Put on top crust and crimp edges together. Brush top with egg wash and sprinkle with a little sugar.

Bake at 350 degrees F for about an hour.