Yes. Pastries that have been thawed and held in the refrigerator are safe to refreeze if they remained below 40 degrees Fahrenheit. If they've been out at room temperature for two hours or less, they're still safe as long as they're refrozen immediately.

Yes. You can refreeze COOKED and frozen meat, cheese and vegetables, as long as you fully cooked it to a safe temperature and safely handled the contents. Safe handling includes cooling down the contents before putting it in the freezer, and portioning it into small quantities for quick freezing. Both steps help inhibit bacterial growth. (NEVER refreeze UNCOOKED thawed meat)