Slow Cooker

1. Add the oil to a large skillet over medium-high heat. When hot, add the ground beef, onion, and garlic. Cook until the beef is browned, approximately 5 to 7 minutes. Stir frequently and crumble the beef as it cooks. Drain the grease and add the mixture to the slow cooker.
2. Add the bell peppers, diced tomatoes, broth, oregano, paprika, salt, and pepper to the slow cooker. Stir to mix well.
3. Cook on HIGH for 3 to 4 hours or LOW 6 to 8.
4. The last 10 minutes of cooking time, stir in the cooked rice.
5. Season with salt & pepper to taste.

Instant Pot

1. Turn on the Instant Pot and select sauté. Once hot, add the oil to the pot. Add the ground beef, onion, and garlic. Cook for 3-5 minutes, stirring frequently. Crumble the beef as it cooks.  Drain the grease if needed. Turn off the Instant Pot.
2. Pour in the beef broth. If needed, deglaze the bottom of the pressure cooker by scraping all the bits off with a wooden spoon. Add the bell peppers, diced tomatoes, oregano, paprika, salt, and pepper. Stir to mix well.
3. Close lid and seal valve. Set high pressure and cook for 25 minutes. When cooking time is  complete, quick release the pressure.
4. Open the lid and select sauté. Stir in the rice.
5. Season with salt & pepper to taste.