Sheet Pan Balsamic Brussels Sprouts with Grapes and Shallots

Bahan-bahan (4 porsi)

• 12 ounces brussels sprouts, (trimmed and quartered)
• 4 large shallots, (peeled and quartered lengthwise)
• 1 cup seedless red grapes
• 2 tablespoons balsamic vinegar ((more for serving, if desired))
• 2 teaspoons extra virgin olive oil
• ½ teaspoon kosher salt
• freshly ground black pepper, (to taste)
• 4 sprigs fresh rosemary or thyme