Steak Gorgonzola With Balsamic Reduction over Pasta

INGREDIENTS

• 1 (2 1/2 lb) boneless beef top sirloin steaks
• 1 1/2 cups Italian dressing
• 1 tablespoon chopped fresh rosemary
• 1 lb uncooked pasta, cooked according to pkg directions
• 4 cups chopped spinach
• 1/2 cup chopped green onion
• 3 tablespoons gorgonzola, crumbled
• 2 tablespoons gorgonzola (for sprinkling on top of finished dish)
• 2 tablespoons chopped sun-dried tomatoes
• 1 1/2 cups white milk
• 1 1/2 cups heavy cream
• 1/2 cup imported parmesan cheese, grated
• 1/2 cup imported romano cheese, grated
• 6 jumbo egg yolks
• salt and black pepper
• 1 (8 ounce) bottle balsamic vinegar
• 1/2 cup sugar