Potatoes Cordon Bleu

Ingredients

• 2 cups heavy cream
• 2 cups half-and-half
• 3 teaspoons chopped fresh garlic
• 3 teaspoons salt
• 1/2 teaspoon black pepper
• 1 bay leaf
• 3 1/2 lbs russet potatoes, peeled and cut into 1/8 inch slices
• 1 1/2 cups sour cream
• 1 cup shedded parmesan cheese