When it comes to describing a sumptuous feast, there are plenty of synonyms for "rich food" that you can use. These include terms such as "decadent," "luxurious," "indulgent," "opulent," and "gourmet." If you want to add a more refined touch, you could also opt for descriptive words like "exquisite," "sophisticated," or "high-end." Alternatively, if you're aiming for a more regional or cultural descriptor, try words like "spicy," "flavorful," "authentic," or "hearty." Whatever your culinary preferences may be, there's no shortage of ways to describe a delicious meal with a vocabulary that tantalizes the taste buds.