Prepare veggies: dice onions and bell pepper, mince garlic, chop cabbage into bite-size pieces.
In a deep skillet, heat olive oil over medium-high.
Add onions and garlic. Stir in bell pepper and cook until softened. Remove and set aside.
Add more oil and ground beef to the skillet. Brown and break into small pieces.
Add the cooked veggies, seasonings, and diced tomatoes. Stir to combine.
Add cabbage, cover, and cook for 10 minutes.
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