Cake Mixes Market Size, Share & Industry Analysis, By Product Type (Standard Cake Mixes, Chocolate Cake Mixes, Specialty/Flavored Mixes, and Others), By Nature (Conventional and Organic), By Ingredient (Wheat-based, Multigrain, Gluten Free, and Others), By Distribution Channel (Foodservice, and Retail {Supermarkets/Hypermarkets, Convenience Stores, Specialty Stores, Online Retail, and Others), and Regional Forecast, 2026-2034