Make this to serve our Roasted Turkey with Garlic-Herb Butter.
Bring 6 cups water to a boil in a medium saucepan; add salt. Boil onions until softened, about 4 minutes. Drain, and pat dry. Set aside.
Heat butter and oil in a large saute pan over high heat, stirring to combine, until butter melts. Add onions, and cook, stirring occasionally, until browned,about 4 minutes. Reduce heat to medium-low; add thyme, and season with salt. Cover, and cook until onions are tender, 4 to 5 minutes. Serve warm.