Cook the brown rice according to the package instructions. Set it aside when it's done.
In a large skillet, heat the olive oil over medium heat.
Add the lean ground beef to the skillet and cook until it's browned and cooked through. Break up the beef into small pieces as it cooks. Once cooked, transfer the beef to a plate and set it aside.
In the same skillet, add the chopped onion, garlic, and celery. Sauté for 2-3 minutes until the vegetables start to soften.
Add the diced green and red bell peppers to the skillet. Cook for an additional 3-4 minutes until the peppers begin to soften.
Return the cooked beef to the skillet and mix it with the vegetables.
Stir in the Cajun seasoning, dried thyme, salt, and pepper. Adjust the Cajun seasoning to your taste preferences, as it can be spicy.
Add the canned diced tomatoes (including their juices) to the skillet. Stir well to combine.
Pour in the low-sodium beef broth and bring the mixture to a simmer. Reduce the heat to low, cover the skillet, and let it simmer for about 10-15 minutes, allowing the flavors to meld.
Serve the Cajun beef mixture over cooked brown rice.
Garnish with fresh parsley if desired.This recipe provides a flavorful and satisfying meal for diabetics, with lean protein from the beef and the goodness of brown rice. As always, manage portion sizes to fit your dietary needs, and consult with a healthcare professional for personalized dietary guidance.