Wegmans Ultimate White Cake

The Wegmans Ultimate White Cake is one of Wegmans' signature custom bakery cakes, available at the bakery counter in rounds and sheet formats for birthdays and celebrations. It's a white almond-flavored cake with white buttercream frosting — the defining characteristic is the almond extract flavor, which gives it the unmistakable taste of a grocery store bakery cake. Wegmans is a regional chain (headquartered in Rochester, NY, 100+ stores in the Northeast and mid-Atlantic), and for many people who grew up there, this cake is the birthday cake. The copycat version uses the WASC method — White Almond Sour Cream cake — which matches the bakery texture better than a standard home recipe.

WASC is a technique used by professional cake decorators and home bakers to produce a bakery-style texture from a box of white cake mix. The method substitutes sour cream for the water the box calls for, and adds almond extract to the batter. Sour cream adds fat, acidity, and moisture that produce a dense, tight crumb — the same texture that bakery cakes have and home box-mix cakes often don't. The acidity also reacts with the baking powder, producing a finer, more even crumb structure. Almond extract is the flavor signature. The result tastes nothing like a standard box cake and closely matches what commercial bakeries produce. Using only egg whites (not whole eggs) keeps the crumb white rather than yellow.

Three things add yellow to a white cake: egg yolks, standard vanilla extract (which is brown), and butter. To get a true white crumb, use only egg whites — no yolks — and use clear imitation vanilla extract or pure almond extract without vanilla. The recipe uses vegetable oil, not butter, for the same reason. For the frosting, using unsalted butter produces a pale yellow buttercream that reads as white once fully beaten. If you want a truly white frosting, substitute half the butter with vegetable shortening (Crisco): the shortening is pure white, flavorless, and has a higher melting point that makes the frosting hold up better in warm rooms. Add a tiny drop of violet food coloring to the frosting — just one drop in a full batch — to cancel the yellow undertone; it sounds wrong but produces a visually whiter result.

Yes. A single batch of this batter fills one 9×13-inch pan (the quarter-sheet format) perfectly. Grease and flour the pan, spread the batter evenly, and bake at 350°F for 28 to 34 minutes, checking at 28 minutes. The sheet cake is easier to frost than two rounds — spread the buttercream across the top in smooth strokes or apply a textured swirl with an offset spatula. A full quarter-sheet (9×13) serves 20 to 24 cut into standard bakery-sized slices. For a half-sheet (12×18) serving 48, double the recipe and bake at 325°F for 35 to 40 minutes; lower temperature prevents the edges from overbaking before the center sets.

At the Wegmans bakery counter, an 8-inch round (serves 8 to 10) typically runs $26 to $32 depending on location and decoration level. A quarter-sheet cake serving 20 to 24 is approximately $36 to $42. Individual slices in the prepared foods case are about $4.50 to $6. The at-home version of this recipe costs roughly $10 to $12 in ingredients for a two-layer 9-inch cake that serves 12 — about 85 cents to $1 per serving. Wegmans stores are located in New York, Pennsylvania, New Jersey, Maryland, Massachusetts, Virginia, and North Carolina; outside those states, this is the only way to have it.

In a white cake, almond extract provides a slightly sweet, faintly floral, and distinctively 'bakery' flavor — the one you recognize from grocery store birthday cakes, white wedding cakes, and the bakery section of every supermarket. It comes from bitter almonds or benzaldehyde (synthetic versions are chemically identical and less expensive). Vanilla extract provides warm, complex, creamy notes but turns the batter brown and competes with the clean white character. For the Wegmans-style result, almond extract is the primary flavor; vanilla is optional and should be the clear (imitation) variety if used so it does not discolor the batter. Pure almond extract is more potent: 1 teaspoon is correct for this recipe; more than 1.5 teaspoons in a single box cake becomes overpowering and almost medicinal.

Yes — the unfrosted layers keep 2 days at room temperature, tightly wrapped in plastic, or 3 months in the freezer (wrap in plastic then foil). Freeze the layers individually so they are easy to stack and frost from frozen or thawed. The buttercream keeps 5 days refrigerated in an airtight container; bring to room temperature and re-beat for 2 minutes before using. The fully assembled and frosted cake keeps 3 to 4 days refrigerated, covered. Pull it from the refrigerator 30 to 45 minutes before serving — cold buttercream is firmer and the crumb is denser when cold; the cake is significantly better at room temperature. Do not freeze the frosted assembled cake — buttercream weeps water when thawed and separates from the crumb.