Basic Yellow Cake Recipe Pillsbury. Spaghetti Salad. In large bowl, beat granulated sugar and 34 cup softened butter with electric mixer on medium speed until light and fluffy, scraping bowl occasionally. Beat in 1 12 teaspoons vanilla and eggs until well blended. Alternately add flour mixture and 1 14 cups milk, beating well and scraping bowl after each addition. Pour batter evenly into pan.