Golumpki Polish Stuffed Cabbage Rolls

Name: Golumpki Polish Stuffed Cabbage Rolls
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: European
Ingredients: 4 large cabbage leaves; 4 oz ground pork; 1 tablespoon extra virgin olive oil; 1/2 small onion (chopped); 2 cloves garlic (minced); 1/3 cup cooked rice; 1 teaspoon Worcestershire sauce; ½ teaspoon Dijon mustard; 1 egg; 1/2 cup tomato pureé; Brown sugar or white sugar (to taste (optional))