Cherry Pie (double crust)

1 c. sugar
3 Tb. cornstarch
1/4 tsp. salt
6 c. frozen sour cherries
1 tsp. vanilla extract (could also use almond extract)
2 Tb. butter

Combine all ingredients except the butter. Pour into prepared crust. Dot with butter and top with top crust. Bake at 425 degrees for 15 min. Reduce oven temp. to 350 degrees and continue to bake until crust is golden and filling is thick and bubbly, 40-50 min. longer.