SOME YUMMY SAUCE FOR YOUR NEXT PASTA NIGHT!

2 28-OUNCE CANS WHOLE TOMATOES, PUREE, CRUSHED OR A COMBO OF THESE!
1 STICK BUTTER
1 LARGE ONION PEELED AND HALVED
PLACE ALL IN A LARGE POT AND BRING UP TO A SIMMER. COOK COVERED 45-60 MINS BEING SURE TO BREAK UP THE LARGE TOMATOES IF USING THEM. I ADDED SALT, TOO!!!! DISCARD ONION WHEN DONE COOKING. SERVE WITH A SPRINKLING OF MOZZARELLA CHEESE.
RECIPE ADAPTED FROM SMITTEN KITCHEN