A dessert popular in the United Kingdom, where rhubarb has been cultivated since the 1600s, and the leaf stalks eaten since the 1700s. Besides diced rhubarb, it almost always contains a large amount of sugar to balance the intense tartness of the plant. The pie is usually prepared with a bottom pie crust and a variety of styles of upper crust.
In the United States, often a lattice-style upper crust is used. This pie is a traditional dessert in the United States. It is part of New England cuisine. Rhubarb has long been a popular choice for pies in the Great Plains region and the Michigan Great Lakes Region, where fruits were not always readily available in the spring
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TU Dublin: Rhubarb Pie Using Sweet Shortbread Pastry