Sour Cream Lemon Slice

Ingredients

• Shortcake Base
• 1 cup butter
• 2 cups flour
• 4 tablespoons icing sugar
• Filling
• 3/4 - 1 cup white sugar
• 1/4 cup cornstarch
• 1 1/2 cups milk
• 1 pinch salt
• 3 egg yolks, slightly beaten
• 1/4 cup butter
• 1/4 cup lemon juice
• 2 teaspoons lemon rind
• 1/2 cup sour cream
• Topping
• 2 cups whipping cream
• 4 -5 tablespoons sugar
• vanilla