Jarlsberg Vidalia Onion Pie

INGREDIENTS

• 2 tablespoons butter
• 3 medium Vidalia Onions, thinly sliced
• 1 partially baked 9-inch pie crust (I use
• ) * See Cook's Notes below
• 1 1/2 cups grated Jarlsberg cheese
• 3 whole eggs, at room temperature, preferably free range
• 1 1/2 cups half and half, preferably organic
• 3/4 teaspoon salt
• Generous pinch cayenne pepper