Earthy fresh mushrooms combine with the tang of balsamic vinegar and the crunch of wild rice in this simple, hearty dish.
Bring broth to a boil in a small pot. Add rice, and reduce to a simmer. Cover, and cook until rice is just tender and almost all the liquid has been absorbed, about 40 minutes. Remove from heat. Let sit, covered, 10 minutes. Drain any excess cooking liquid if necessary. Fluff rice with a fork.
Meanwhile, heat oil in a large saute pan over medium-high heat. Add mushrooms, and cook 3 minutes (do not stir). Season with 3/4 teaspoon salt, and stir. Continue to cook, stirring occasionally, until mushrooms are tender and caramelized, 5 to 7 minutes. Reduce heat to low, and add butter and scallions. Cook until scallions are softened, about 1 minute. Turn off heat, and stir in vinegar.
Transfer rice to a serving bowl. Stir in mushrooms, and season with salt and pepper.