Mushroom Risotto with Caramelized Onions recipes

Name: Mushroom Risotto with Caramelized Onions recipes
Ingredients: 3-4 yellow onions, divided; 1 tbsp + 3 tbsp extra virgin olive oil, divided; 3 cloves garlic, finely minced; 1 pound cremini mushrooms (~455 grams), washed and sliced; 1 large sprig fresh rosemary; 1 cup uncooked pot barley (or grain of choice, like rice)* see note; 1 tablespoon balsamic vinegar; 3.5 cups vegetable broth (I used full-sodium), *see note; 1 teaspoon kosher salt; 1/2 teaspoon freshly ground black pepper, plus more to garnish; 1 tbsp Earth balance or butter, to stir in (optional)