Basic Meat Sauce

Heat oil in large nonstick skillet.

Add onion.

Cook until softened , 4 minutes.

Add mushrooms.

Cook until liquid evaporates , 5 minutes.

Add beef.

Cook , breaking up clumps , until browned.

Add wine.

Cook until wine evaporates.

Add tomatoes with their liquid , water , salt and pepper.

Simmer uncovered , stirring occasionally until sauce thickens , about 15 minutes.

Toss with cooked pasta of choice and serve.

Sprinkle with freshly grated parmesan cheese at the table.

olive oil, onion, mushrooms, lean ground beef, dry white wine, italian plum tomatoes, water, salt, pepper