1 1/2 pounds skirt steak
3 tablespoons canola oil
Kosher salt and freshly ground black pepper
1/4 cup store-bought basil pesto
4 tablespoons (1/2 stick) unsalted butter, softened
1 pound thin asparagus (see Cook's Note)
You can use thicker asparagus for this recipe, but you will need to adjust the cooking time accordingly.