Sweet strawberries combine with tart rhubarb to make the Marie Callender's Strawberry Rhubarb Streusel Pie a classic, prepared in an extra-flaky, made-from-scratch crust. After a long day at work, there's nothing sweeter than Marie Callender's Strawberry Rhubarb Streusel Pie. Marie Callender's Strawberry Rhubarb Streusel Pie contains zero trans fat and no artificial flavors or preservatives.