Lentils and rhubarb make an odd couple. But in 2005, a month apart from each other, the San Francisco Chronicle and the New York Times played matchmaker and brought them awkwardly, yet happily together. Here’s a simple lentil recipe, to go with rice. Rhubarb stands in for lemon juice or lime leaves, and adds its signature acidity, which softens out just right with a dollop of yogurt on top. Spiced lentils with rhubarb (rhubarb dal!) 1 Tablespoon olive oil 1 teaspoon mustard seeds 1/2 teaspoon...