Gluten Free, Meatless – Vegetarian, Salads, Too Hot to Cook, Vegan April 4, 2010 July 4, 2018 Calories of Avocado – Avocado, Onion & Tomato Salad by Mary Ann Avocados are high in Vitamins C,K,A,E, Niacin and Folate. They also have a high content of potassium, calcium and magnesium. One cup of mashed…