Heat a medium pan over medium-high heat. Add the pine nuts and cook for 4 minutes, until lightly browned, stirring. Remove from heat and set aside.
Heat 1 tablespoon olive oil in a large pan over medium-low heat. Add the green garlic and Eustice limequat and cook for about 3 minutes, gently stirring. Remove from the heat and set aside.
Heat the additional 2 tablespoons of olive oil in the pan over medium-high heat and add the spigarello. Season with salt and pepper and cook for about 3-4 minutes. Return the green garlic and limequat slices to the pan. Stir in the pine nuts and limequat juice and cook for 2-3 minutes.
Arrange on a serving platter and serve right away.