In a large skillet over medium to medium high heat, add quinoa, and cook, stirring frequently, until starting to hear the quinoa making a popping noise. Continue to cook, stirring frequently, until popping stops. Remove from heat. Transfer quinoa to a bowl. Place skillet back on the burner and add 1 tablespoon olive oil to the pan. Add in sourdough bread crumbs, and cook, stirring frequently, until well toasted. Remove from heat.