Zucchini Chips with Lemon Yogurt Dip

large zucchini, sliced very thinly, about 1/8 inch

olive oil for brushing, or spray with a Misto or cooking spray

kosher salt

cumin

plain non fat Greek yogurt

lemon zest

lemon juice

kosher salt

dried thyme, crushed between the palms of your hands

black pepper