This recipe for Blueberry Fruit Squares is a family favorite – my mother used to make it and I have been making it since I have been married.   This recipe calls for: 2 sticks of butter 2 cups of sugar 4 eggs 1 teaspoon vanilla (Nielson-Massey Madagascar Bourbon Pure Vanilla Extract) 3 cups flour 1 can blueberry pie filling     The result is a really delicious blueberry fruit squares dessert.       This recipe was brought to you courtesy of Nielson-Massey Vanillas. Now don’t plan on this dessert sticking around for too long. It doesn’t matter how many times I make it – everyone dives in…