Just Rhubarb Rhubarb Pie

Amy: This is my favorite summer pie! Its fresh tartness is a welcome change after our winter baking, which is full of nuts, chocolate, and cinnamon. We’ve chosen to keep this a pure rhubarb pie—no strawberries—and with as little sugar as possible, in order to focus on the rhubarb. We understand that many people like to add strawberries to their rhubarb pie. I