In a large saute pan, heat oil over medium heat and then add onions
Cook for about 2 to 3 minutes until translucent
Add sprouts to the pan, followed by chicken broth and cover pan.
Continue cooking over medium-high heat for approximately 5 to 6 minutes and then uncover, add vinegar and, if needed, additional broth to prevent scorching
Cook covered for another 6 to 8 minutes and then top with pistachios and season with salt and pepper.