Brussels Sprouts Soup with Caramelized Onions

Ingredients (10)

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