44-clove garlic soup

INGREDIENTS

• 26 garlic cloves (unpeeled)
• 2 tablespoons olive oil
• 2 tablespoons (1/4 stick) butter
• 2 1/4 cups sliced onions
• 1 1/2 teaspoons chopped fresh thyme
• 18 garlic cloves, peeled
• 3 1/2 cups chicken stock or canned low-salt chicken broth
• 1/2 cup whipping cream
• 1/2 cup finely grated Parmesan cheese (about 2 ounces)
• 4 lemon wedges