A good source of protein: thomas" plain bagels, each with a full 9 grams of protein, are a good source of the protein your body needs to stay healthy and strong.. Classic bagel taste - long lasting freshness! thomas" makes bagels special - 125 years of baking experience ensures soft, fresh-baked bagel goodness - for breakfast, lunch or anytime. and they are conveniently pre-sliced for toasting and topping ease..