Ever had a blondie? This one tastes AMAZING but just happens to be loaded with zucchini!
Preheat oven to 350°F. Spray a 9x13 pan with non-stick spray or use the butter & flour method.
Add the eggs and vanilla to the butter mixture and mix until fully combined, 1-2 minutes. Scrape down the bowl as needed.
Bake for 40 minutes and check for doneness. An inserted toothpick should be removed with a few crumbs on it, but not wet batter. It should appear dark on top and the edges. (This is good!)