*chopped oven-dried tomatoes
*chopped fresh spinach
*freshly grated Parmesan or cheddar cheese
*chopped roasted garlic cloves
*finely chopped fresh herbs (such as basil, oregano, parsley, rosemary, chives, or thyme)
*cooked, crumbled pieces of bacon
*finely chopped sauteed leeks or shallots
*sour cream, low-fat yogurt, cream cheese