Lemon Sour Cream Pie

Crust
1 sleeve graham crackers, crushed
1/4 cup brown sugar
6 T butter, melted
Preheat oven to 350 degrees. Combine all ingredients and place in large glass baking dish. Bake crust for ten minutes.

Filling
1 cup sugar
3 T plus 1-1/2 t cornstarch
1 T grated lemon peel
½ cup lemon juice
3 egg yolks, lightly beaten
1 cup milk
¼ cup butter, cubed
1 cup (8 oz) sour cream
Combine sugar, cornstarch, lemon peel, lemon juice, egg yolks and milk in heavy saucepan. Cook over medium heat until thickened. Stir in butter and cool mixture to room temperature. Stir in sour cream and pour filling into cooled crust.

Topping
1 cup heavy cream
1 t pure vanilla extract
Powder sugar to taste
1 T lemon zest
Beat cream, vanilla, and powder sugar until whipped. Mix in zest and spread over lemon filling. Garnish with lemon twists if desired. Keep in fridge.