2-3 tsp. olive oil (depending on your pan)
1 lb. lean ground beef (use ground beef with less than 10% fat for South Beach Diet)
1 cup chopped onion
1/2 cup chopped celery
2 tsp. crushed garlic (or more)
2 cans (14.5 oz.) petite dice tomatoes with juice
(rinse each can of tomatoes with 1/2 can of water)
4 cups homemade beef stock (or use 2 cans beef broth and a little water)
1 can vegetable broth
1 can kidney beans, rinsed
1 T dried parsley
1 1/2 tsp. dried thyme
salt and fresh-ground black pepper to taste
2 cups very thinly sliced and chopped green cabbage
1 cup chopped spinach
pinch red pepper flakes (optional)
2-3 T sherry vinegar (or use any mild vinegar that you like)
sour cream or grated Parmesan cheese for serving (optional)