Nuts and Nut Butters: Nuts and nut butters, such as almonds, peanuts, and cashews, are calorie-dense foods high in healthy fats, protein, and fiber. They provide a concentrated source of energy and nutrients.

Avocado: Avocado is a nutrient-rich fruit that is high in healthy fats, particularly monounsaturated fats. It is calorie-dense and provides a good source of vitamins, minerals, and antioxidants.

Cheese: Cheese is a calorie-dense food that is high in protein and fat. It comes in many varieties, each with its own calorie content, but most cheeses are relatively high in calories compared to other dairy products.

Salmon: Salmon is a fatty fish that is high in heart-healthy omega-3 fatty acids. It is calorie-dense compared to other types of fish and provides a good source of protein and essential nutrients.

Olive Oil: Olive oil is a calorie-dense fat that is commonly used in cooking and salad dressings. It is rich in monounsaturated fats and antioxidants, making it a healthy choice when consumed in moderation.

Dark Chocolate: Dark chocolate is a calorie-dense treat that is high in fat and sugar. It provides a rich source of antioxidants and may offer various health benefits when consumed in moderation.

Granola: Granola is a calorie-dense cereal made from oats, nuts, seeds, and dried fruit. It is often sweetened with honey or sugar and may contain added oils, making it a high-calorie snack or breakfast option.