i ran out for a quick lunch yesterday at dad's sandwiches on s street, one of the restaurants participating in this month's sacramento vegan chef challenge. since dad's is a sandwich shop, rather than a full-service restaurant, they aren't offering a vegan appetizer, dinner entree, or dessert like the other participating restaurants. what they are offering is a very tasty and extremely filling vegan meatloaf sandwich. the sandwich is served on sliced sourdough bread, which is lightly toasted and spread with a sun-dried tomato aioli. in addition to a generous slab of vegan meatloaf, the sandwich also includes spinach, pickles, and pickled onions. i had them leave off the pickled onions, but i thought the sun-dried tomato aioli and the pickles reallymadethe sandwich. the biggest problem with this sandwich is that dad's seems to have a hard time keeping enough vegan meatloaf in stock. i was there just before noon yesterday, and got the only slice of vegan meatloaf they had left. i read