In a medium saucepan, cook the couscous according to package instructions. Fluff with a fork and transfer to a serving dish.
In a medium skillet, heat the oil at medium high heat. Add the shallots and cook, stirring frequently, until softened and slightly browned, about 3 to 5 minutes.
Add to the bowl with the couscous, along with the parsley and lemon juice. Toss to combine, and season with salt and pepper.