HEAT oven to 350ºF.
ADD butter to 13x9-inch pan sprayed with cooking spray; tilt pan to evenly cover bottom with butter. Sprinkle with sugar; top with fruit.
BEAT remaining ingredients with mixer until blended; pour over fruit.
BAKE 40 min. or until toothpick inserted in center comes out clean. Cool 10 min. Run knife around edges of pan to loosen cake. Invert cake onto platter; gently remove pan. Cool cake slightly.