Preparation Combine milk and cornmeal in large saucepan. Whisk over high heat until mixture comes to boil. Reduce heat to medium; simmer until polenta thickens, whisking often, about 15 minutes. Add rosemary and cheeses; whisk until cheeses melt. Season with salt and pepper.
Preparation Combine milk and cornmeal in large saucepan. Whisk over high heat until mixture comes to boil. Reduce heat to medium; simmer until polenta thickens, whisking often, about 15 minutes. Add rosemary and cheeses; whisk until cheeses melt. Season with salt and pepper.