01 -
2 heads garlic, peeled.
02 -
1 tablespoon olive oil.
03 -
1 onion, chopped.
04 -
2 tablespoons butter.
05 -
6 cups chicken or vegetable broth.
06 -
2 sprigs fresh thyme.
07 -
2 bay leaves.
08 -
4 egg yolks.
09 -
1/2 cup grated Parmesan cheese.
10 -
Salt and pepper to taste.
11 -
Fresh parsley for garnish.