Explain the creaming method and its purpose in cake making.

• A. Cream butter and sugar to incorporate air for leavening and fine crumb; used for butter cakes.
• B. Mix eggs vigorously to aerate the batter.
• C. Sift dry ingredients to remove lumps.
• D. Bake immediately without mixing.

Answer: (A)

Creaming butter and sugar is about beating softened butter with sugar until the mixture is pale, light, and fluffy. This mixing action traps tiny air bubbles in the fat; as the cake bakes, those air pockets expand and help the batter rise, giving a tender, fine crumb. Butter serves as a flavorful, tenderizing fat, and the sugar helps create and stabilize those air pockets for even texture. After the creaming stage, eggs are typically added one at a time to maintain a stable emulsion, and dry ingredients are added with liquids in alternating portions to preserve the air we've built. Overmixing after the flour goes in can knock out the air and make the crumb coarser, while the butter’s temperature matters: too warm and it won’t trap air well; too cold and it won’t cream smoothly.

So, the creaming method is best described as beating butter and sugar to incorporate air for leavening and a fine crumb, which is characteristic of butter-based cakes.