Preheat oven to 350F.
Cut peppers in half and remove seeds. Bake for 15 minutes in oven face down or until slightly soft.
In frying pan heat the coconut oil and add the onion, diced tomato and garlic. Cook until onion softens.
Add the ground beef to the frying pan and stir into the mixture. Add the salt an pepper and stir so the beef doesn't burn. Cook until beef turns brown.
Turn the cooked peppers over and set on a plate.
Fill the peppers with the beef mixture. You can serve like this or put them back in the oven for 5 minutes to allow the juices from the pepper to integrate into the beef mixture.
Serve and enjoy!