Lazy Golumpki (Stuffed Cabbage) Soup - cooking recipe

Ingredients

2 tablespoons butter
1 large sweet onion, diced
1 1/2 pounds lean ground beef
4 cups water
1 head cabbage, cut into bite-size pieces
1 (28 ounce) can tomato puree
2 (10.75 ounce) cans condensed tomato soup
1 cup long-grain brown rice
2 cubes beef bouillon
salt and ground black pepper to taste

Preparation

Heat butter in a skillet over medium heat; cook and stir onion until tender, 5 to 10 minutes. Add ground beef; cook and stir until beef is browned and crumbly, 5 to 10 minutes.
Combine water, cabbage, tomato puree, tomato soup, rice, beef bouillon, salt, and pepper in a slow cooker; add ground beef mixture.
Cook on High for 8 hours.