Spaghetti Sauce with basil

2 tablespoons olive oil 1/2 teaspoon crushed red pepper flakes 1 large onion , chopped 1 green pepper , chopped 4 -5 cloves garlic , chopped 1 (14 1/2 ounce)[...]

1 (10 3/4 ounce) can condensed beef broth 2 large onions , finely chopped 2 -4 cloves garlic , minced,more to taste 2 sweet red peppers or 2 green peppers ,[...]