. Nuts and SeedsAlmonds, Walnuts, Cashews, PecansChia Seeds, Flaxseeds

. Nuts and SeedsAlmonds, Walnuts, Cashews, PecansChia Seeds, Flaxseeds, Pumpkin SeedsHigh in healthy fats, protein, and calories. They make excellent snacks or can be added to meals.2. Oils and FatsOlive Oil, Coconut Oil, Avocado OilButter, GheeFull-Fat CreamUse these oils for cooking, drizzling over dishes, or adding to smoothies for an extra calorie boost.3. AvocadosRich in healthy monounsaturated fats and calories, avocados can be added to salads, sandwiches, or eaten on their own.4. Full-Fat Dairy ProductsWhole Milk, Full-Fat Yogurt, Cheese, Cream CheeseThese are calorie-dense and provide both fat and protein.5. Fatty Meats and FishBeef, Pork, LambSalmon, Mackerel, SardinesThese meats are high in saturated fats and calories. Fatty fish also provide omega-3 fatty acids, which are beneficial for health.