Heat olive oil in a dutch oven over medium-high heat, until shimmering. Add the minced garlic and saute for about a minute, until fragrant.
Add the ground beef. Cook, breaking up with a spatula, for 8-10 minutes, until browned.
Add the bell peppers, diced tomatoes, tomato sauce, bone broth, water, and Italian seasoning. Bring to a boil.
Reduce heat and simmer for about 10-15 minutes, until the peppers are tender.
Add the cauliflower rice. Cook for 3-4 minutes, until cauliflower rice is tender.
Add salt and pepper to taste.
