Preheat oven to 350° F. Peel, wash and chop the vegetables for the food processor.
Add chopped onion, carrots, celery and pepper to the food processor. Pulse until finely chopped. You can also grate them with the grater box.
In a frying pan, preheat olive oil on medium heat. Add the vegetables and cook them for 5 min until soft and juicy. Turn off the heat and set them aside.
In a measuring cup, add ½ cup of ketchup, mustard and black pepper. Mix it with the fork until well combined. Set aside 2 tablespoons of the glaze. Put the rest in the fridge for now.
In a big bowl, add turkey, beef, eggs, oats, salt, dry herbs, cooked veggies and 2 tablespoons of the glaze. Mix everything well until well combined.
Add veggies to the meat mix and give it another good mix until everything is evenly combined. Try not to over mix it.,
Place a sheet of parchment paper into the loaf pan and pack the meat in the pan.
Bake for 1 hour and 10 minutes or until internal temperature is 160° F.
Take out the meatloaf and spread the remaining ketchup glaze on top, bake for another 20 minutes. Carefully take out the meatloaf, let it cool down for at least 15 minutes before removing from the pan. Serve with your favorite side and enjoy!