More crackling refers to an increased level of crispiness or crunchiness, commonly associated with food such as pork crackling. Synonyms for the word "more crackling" include "crisper," "crunchier," "harder," "fresher," and "more brittle." These words depict the satisfying sound and texture that comes from biting into something crispy. Other words that can be used to express this concept are "more crisp," "more crunchy," and "more snap." The word choice depends on the writer's preference and the context of the statement. However, all synonyms convey the idea of a satisfying and enjoyable texture.