1. Preheat oven to 375 degrees, prepare a flat baking dish or casserole with nonstick pan spray.
2. Blanch the cabbage leaves by immersing them in a pot of boiling water for 1 minute; drain and pat the leaves dry.
3. Combine the beef, onion, parsley,salt, thyme,garlic, and pepper,Mix Well, Divide the meat into 8 equal portions on the cabbage leaves;Roll or fold the leaves around filling; Secure each cabbage roll with wooden toothpicks.
4. Place the rolls seam side down in the prepares baking dish; pour tomato sauce over the rolls; bake, covered 50 to 60 minutes.