Perfect Little Lunch

It's way too easy for me to shovel down the straggler crusts of my kids' PB&J or grilled cheese sandwiches and call it lunch...only to fight a losing battle with a bag of tortilla chips an hour later. This quick open-face has recently proven to be a good antidote to that cycle -- and a vegetarian antidote at that. It's a whole wheat pita spread with hum…