	Breakfast	Lunch	Dinner
Fruit	Banana	Orange	Apple
Meat	Bacon	Baloney	Burger
Beverage	Coffee	Soda	Beer

##

bob_fruit_breakfast       carol_fruit_breakfast
bob_fruit_lunch           carol_fruit_lunch
bob_fruit_dinner          carol_fruit_dinner
bob_meat_breakfast        carol_meat_breakfast
bob_meat_lunch            carol_meat_lunch
bob_meat_dinner           carol_meat_dinner
bob_beverage_breakfast
bob_beverage_lunch          and so on....
bob_beverage_dinner

##

##

use HTML::TableExtract;
$te = new HTML::TableExtract (headers=>[qw(Breakfast Lunch Dinner)]);
$te->parse ($html_string);
foreach $ts ($te->tables) {

        foreach $row ($ts->rows) {
          print join(',', @$row), "\n";
               }
}