Press Sauté on the Instant Pot and add 1 Tbsp olive oil to the pot when it's HOT
Drop ground hamburger and turkey into the instant pot and break the meats into small pieces with a flat wooden spatula
Set a timer for 5 minutes to brown the meat
While the meat is browning, slice 1 yellow onion and add the sliced onion to the meat as soon as the 5 minutes of browning are finished
Stir the onions into the burger and turkey using a flat wooden spatula or spoon scraping the pot bottom clean
Brown for another 5 minutes, use your kitchen timer so you do not short or go over your time.
When the last 5 minutes are finished, press cancel, and stir the meat and onions scraping the pot bottom clean
Use an Instant Pot slow cooker lid to hold the meat and onions in side the pot as you tip the pot over allowing the fat to drain into the empty diced tomatoes can*You can also use the instant Pot lid to hold the meat in while you drain the fat, but tricky Place the pot back into the Instant Pot