When it comes to describing food with a higher fat content, there are numerous synonyms for the word "fattier". Some alternatives include "greasier", highlighting the presence of excess oil or fat in the dish. Another option is "heavier", shedding light on the richer texture and substantial nature of the food. One may employ the term "more lardaceous" to emphasize the abundance of fat, resembling qualities of lard. "Oilier" is another apt synonym, indicating the heightened oily or greasy character of the cuisine. Lastly, "more adipose" can be used to capture the fatty essence of the food, often associated with indulgence and indulgent flavors.