Easter Waffles Florentine

INGREDIENTS

• 3 cups whole milk
• 1/4 cup white vinegar
• 2 cups all-purpose flour
• 1/4 cup coarse cornmeal
• 2 teaspoons baking soda
• 1 1/2 teaspoons coarse salt
• 1/2 teaspoon freshly ground black pepper
• 4 large eggs, separated, plus 1 large egg white
• 1 1/2 cups sour cream
• 10 tablespoons unsalted butter, melted
• 1 1/2 cups grated Gruyere cheese
• 3 ounces fresh goat cheese, crumbled
• 1/2 cup packed fresh flat-leaf parsley leaves, chopped
• 3 tablespoons fresh chopped chives
• 2 tablespoons fresh tarragon, chopped
• Nonstick cooking spray
• Sauteed Spinach
• Poached Eggs
• Lemony Hollandaise