Cremish - cooking recipe

Ingredients

2 c. milk
2 egg yolks
2 Tbsp. cornstarch
1/4 c. sugar
1 pkg. vanilla sugar
1 stick butter
1 pkg. Pepperidge Farm puff pastry
confectioners sugar

Preparation

In medium saucepan, mix together milk, egg yolks, cornstarch, sugar and vanilla sugar.
Heat and stir with whisk until thickened. Cool completely.
When butter and cooked mixture are at room temperature, beat butter until creamy.
Add cooked mixture by tablespoon while beating until all the cooked mixture is in with the butter.