Most food contains a mixture of different fats. Examples of foods containing higher amounts of monounsaturated fats: Fish, avocados, olive oil, spreads based on these oils, hazelnuts, almonds, cashews, peanuts, pecans and pistachios. Examples of foods containing higher amounts of polyunsaturated fats: Vegetable and seed oils, such as canola, sunflower, soybean, peanut and sesame oils, soft spreads, liquids and mayonnaise based on these oils, walnuts, pecans peanuts, sunflower seeds, salmon, mackerel, sardines and some varieties of tuna.