Cheddar Corn Chowder

INGREDIENTS

• 2 cups half-and-half
• 6 cups medium-diced white boiling potatoes, unpeeled (2 pounds)
• 4 tablespoons (1/2 stick) unsalted butter
• 1/2 cup flour
• 12 cups chicken stock
• 1/2 pound sharp white cheddar cheese, grated
• 1 teaspoon freshly ground black pepper
• 2 teaspoons kosher salt
• 8 ounces bacon, chopped
• 10 cups corn kernels, fresh (10 ears) or frozen (3 pounds)
• 6 cups chopped yellow onions (4 large onions)
• 1/2 teaspoon ground turmeric
• 1/4 cup good olive oil