1Heat oven to 375ºF. Place paper baking cup in each of 24 regular-size muffin cups, or grease and flour muffin cups.
2Beat all ingredients except Frosting in large bowl on low speed 30 seconds, scraping bowl constantly. Beat on medium speed 4 minutes, scraping bowl occasionally. Fill muffin cups about 1/2 full.
3Bake about 15 minutes or until toothpick inserted in center comes out clean. Immediately remove from pan; cool. Frost.