Williams Sonoma Birthday Cake Mix

Flavor Profile

• Vanilla, sprinkles

Why We Love It

• Whip up a festive birthday cake in no time. Featuring rainbow-hued sprinkles, our exclusive mix is crafted with the finest ingredients and expertly blended for perfect results. Prep is simple – just follow the included recipe. Use the mix to create a two-layer round cake, a rectangular cake or cupcakes.
• A Williams Sonoma exclusive.

Net Weight

• 1 lb. 9 oz./708g (makes two 8" diam. or 9" diam. round layers, 9" x 13" sheet cake or 18–20 cupcakes).

Receiving Instructions

• Store unopened at room temperature for up to 18 months.

Preparation Instructions

• Cake mix (included)
• 2 eggs plus 2 egg whites, room temperature
• 3/4 cup milk, room temperature
• 14 Tbs. unsalted butter, melted and slightly cooled

Place rack in center of oven and preheat to 350°F.

Grease cake pan(s) with baking spray or line cupcake pan with liners.

Whisk together eggs, egg whites, milk and butter in large bowl until smooth. Add cake mix and whisk until smooth.

Transfer batter to prepared pan(s) and bake according to chart below. Cake is done when toothpick inserted in center comes out clean.

Let cake cool in pan for 15 minutes, then turn out onto wire rack to cool completely. Decorate as desired.

Cooking Time

• 8" diam.: 30–33 minutes.
• 9" diam.: 27–30 minutes.
• 9" x 13": 30–32 minutes.
• Cupcakes: 20–22 minutes.

Test Kitchen Tips

• Make sure all ingredients are at room temperature to ensure smooth batter and tender consistency.
• Begin checking cake at start of cooking time range listed to make sure it does not overbake.
• Cake layers can be made 2 days before serving. Once cooled completely, cover cake layers tightly in plastic wrap and store at room temperature.

• Granulated sugar, all-purpose flour (bleached or unbleached wheat flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), cornstarch, rainbow sprinkles (sugar, cornstarch, hydrogenated palm kernel oil, soy lecithin, gum arabic, confectioners' glaze, FD&C colors [Yellow #6 Lake, Yellow #5, Yellow #5 Lake, Blue #1 Lake, Red #40 Lake, Red #3]), cultured buttermilk (sweet cream churned buttermilk, sweet dairy whey, lactic acid), cane sugar, dextrose, fructose, natural flavor, caramel color, baking soda, baking powder (sodium acid pyrophosphate, sodium bicarbonate, cornstarch, monocalcium phosphate), natural vanilla flavor, salt.
• Contains wheat/gluten, dairy, soy.
• This product is prepared and packaged using machines that may come in contact with tree nuts, peanuts, eggs, sesame.

Shipping Information

Please note that our made-to-order perishable food items are not eligible for next-day shipping – and they cannot be shipped outside the contiguous 48 states or to P.O. Boxes.

While we appreciate your order, we're not responsible for shipping delays due to unforeseen circumstances such as weather conditions or natural disasters.

We're also not responsible for any delay or failure to deliver due to an incorrect or incomplete shipping address.

Shipping Rates

The shipping rate varies depending on your order total and shipping destination. View Shipping Options and Charges.

Return Policy

We're not able to provide returns or cancellations on any food products, which are final sale items.

Please note that orders can't be cancelled once they have been processed or shipped.

View Full Returns Policy.

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