Besides diced rhubarb, it usually contains a large amount of sugar to balance the tartness of the vegetable.

[1] This style of pie is a traditional dessert in the country and is part of New England cuisine.

[2] Rhubarb has long been a popular choice for pie filling in the Great Plains and Midwest regions, where fruits were not always readily available.

[3] Sumner, Washington, describes itself as the "Rhubarb Pie Capital of the World.

The British found the sweetness of the strawberries offset the tartness of the rhubarb.