Simple and in-season: Summer squash quesadillas

It's 90F outside and too hot to cook anything that requires turning on the stove or oven for long periods of time. I contemplated getting take-out sushi for dinner but since it's a farmers' market day, we'll have something simple and in-season tonight: quesadillas made with summer squash and Monterey Jack cheese and salad made with lettuce from our garden. Dessert? Mulberries.