It's not really a specific food for bulking. Its volume. You can cut and bulk on chicken. Its just during a cut you might eat 6 ounces and a bulk 10 ounces... There is whole section of recipes here cough FIST cough cough but you can use google just as well.
I recently started making my own sandwich has about 40g of protein, 4 slices of turkey which has 24g protein, mozzerella cheeze 8g, 2 slices of whole wheat bread 8g, with some mayo, onions, green peppers, and lots of spinach