Red Onion, Blueberry and Pesto Tart and All's Well

So here it is, the middle of July and I am heading to Phoenix for a few hot days. And I mean hot. I hate leaving Colorado in the summer, but it has been hot, even here. My parents are downsizing and moving into a house less than half the size of what they are now in. They are moving to a senior living community and honestly, I think there should be a better name for these places. You might