NYT Cooking: When you think of rhubarb you probably think of strawberry-rhubarb pie, a quintessential spring dessert, especially if it’s made by someone who makes good pies. I usually manage around one pie crust annually, so I need alternatives. Thus, when the spring’s first rhubarb shows up, I adjust the execution and produce a crisp. If rhubarb is young and fresh, you can trim it in seconds. If it has fib...