Creating a 4-in-1 cake pastel involves combining multiple cake layers or flavors into a single, visually appealing dessert. When decorating such cakes, the choice of icing and its consistency plays a vital role in the final outcome. The use of unsalted whipping cream, as mentioned in the post, is popular for its smooth texture and light taste, which complements pastel-themed cakes perfectly. One common issue cake decorators face is discoloration of the icing, such as the yellowing effect observed here. This can be caused by several factors including the quality or freshness of the whipping cream, reaction with acidic ingredients like jello, or even exposure to heat or light during preparation. To achieve a whiter icing, ensure the cream is fresh and chilled, and consider adding stabilizers specifically designed for whipped cream. Using food-grade titanium dioxide is another safe option to brighten white frostings. When assembling a 4-in-1 cake, layering flavors or colors should be balanced so that each component complements the others without overwhelming the palate. Pastel colors are often achieved using natural food colorings or diluted gel colors, which maintain soft, appealing tones rather than bold hues. In terms of decoration, keeping a smooth finish with piped details or simple embellishments enhances the cake's visual appeal. The hashtags like #cakedecorating, #pastel, and #pasteles indicate a trend toward delicate aesthetic designs in cake artistry. Understanding these key factors of ingredient selection, color maintenance, and decoration technique will help home bakers and professionals alike elevate their cake decorating skills and create impressive 4-in-1 pastel cakes that delight both the eyes and taste buds.