Brussels Sprouts Soup with Caramelized Onions

Details

Ingredients

• 1 tablespoon olive oil
• 3 onions, thinly sliced
• 1 tablespoon sugar
• 1 pound Brussels sprouts, trimmed and halved
• 1 teaspoon fresh thyme
• 4 cups chicken stock
• salt and ground black pepper to taste
• ½ cup sour cream
• 4 dashes hot pepper sauce (such as Frank's RedHot®), or to taste