Golden Onion Pie

Ingredients (15)

• Crust:
• 1 1/2 Teaspoons active dry yeast
• 1/3 Cup whole milk, warm (105-115 degrees F.)
• 1/4 Teaspoon sugar
• 2 Cups all-purpose flour
• 1/2 Teaspoon salt
• 1 large egg
• 1/2 stick butter, melted
• Filling:
• 4 large onions (3 1/2 pounds), sliced. I used yellow onions.
• 6 ounces bacon, finely chopped
• 1/2 stick butter
• 1 Cup sour cream
• 2 large egg yolks
• Salt and Pepper