Sauté AromaticsHeat the olive oil in a large skillet or Dutch oven over medium heat. Add the diced onion and sauté for about 3 minutes until softened. Stir in the minced garlic and cook for an additional 30 seconds.
Cook the Ground MeatAdd the ground beef or turkey to the skillet. Cook, stirring and breaking it up with a spatula, until fully browned. Drain any excess fat if necessary.
Add the CabbageStir in the chopped cabbage and cook for about 5 minutes, stirring often, until it starts to soften.
Incorporate Tomatoes and SeasoningsPour in the diced tomatoes and tomato sauce. Add salt, pepper, smoked paprika, onion powder, garlic powder, and optional red pepper flakes. Mix well to combine.
SimmerCover and let the mixture simmer over medium-low heat for 20–25 minutes, or until the cabbage is tender and the flavors have melded together.
ServeServe hot as-is or over cauliflower rice for an extra low-carb option.