Scalloped Potatoes (The Creamier the Better)

Ingredients

• 3 tablespoons butter
• 2 pounds (about 4 medium sized) Russet potatoes, peeled, sliced 1/8-inch thick
• 1 large yellow or white onion, thinly sliced
• 2 tablespoons chopped fresh parsley
• 1 tablespoon chopped fresh chives (optional)
• 2 thick slices bacon, cooked and chopped
• 2 1/2 cups grated Swiss or Gruyere cheese (about 8 ounces)
• 1/2 cup grated Parmesan cheese (about 2 ounces)
• 2 1/2 cups to 3 cups of half-and-half (half milk, half cream)
• Salt and pepper