Beat all ingredients except poppy seed in large bowl with mixer on low speed just until moistened, stopping frequently to scrape side of bowl. Beat on medium speed 2 min. Stir in poppy seed.
Pour into greased and floured 12-cup fluted tube pan or 10-inch tube pan.
Bake 50 to 55 min. or until toothpick inserted near center comes out clean. Cool cake in pan 10 min.; loosen cake from side of pan. Gently remove cake from pan; cool completely on wire rack.