For a meal full of healthy fats, make sure to watch Chef Nino for this Cooped Up and Cooking recipe, Avocado Mango Salsa with Pan-Seared Tuna Filets. Tuna and avocado are rich sources of healthy fats that may help boost brain function and combat symptoms of depression, according to The National Library of Medicine. Your brain will thank you just as much as your tastebuds! So, join Chef Nino and flex your cooking muscles.