Yummy Italian spaghetti sauce

1/4 cup (60 ml) extra-virgin olive oil
1 onion, chopped
2 cloves garlic, minced
6 oz (170 ml) tomato paste, thinned with 1 1/2 Tbsp (22 ml) water
2 16 oz (500 ml) cans organic plum tomatoes, mashed, or 8 to 10 fresh ripe tomatoes
2 Tbsp (30 ml) dried oregano or 1/4 cup (60 ml) finely chopped fresh oregano
1 lb (500 g) lean organic ground beef, cooked and drained
Salt and freshly ground pepper

In a large heavy pot, heat oil gently over medium heat. Add onion, garlic, and tomato paste, stirring constantly for at least 10 minutes (do not scorch or sauce will be bitter).Add tomatoes, oregano, and ground beef and simmer one hour. Season to taste and serve over cooked pasta such as spaghetti or penne. Sprinkle with grated Romano or Parmesan cheese. Serves 6 to 8.

Source: alive #258, April 2004