Slow Cooker Meaty Italian Spaghetti Sauce

Slow Cooker Meaty Italian Spaghetti Sauce 
Betty Crocker

2 
lb bulk Italian pork sausage or ground beef 
2 
large onions, chopped (2 cups) 
2 
cups sliced fresh mushrooms (6 oz) 
3 
cloves garlic, finely chopped 
1 
can (28 oz) Muir Glen® organic diced tomatoes, undrained 
2 
cans (15 oz each) tomato sauce 
1 
can (6 oz) tomato paste 
1 
tablespoon dried basil leaves 
1 
teaspoon dried oregano leaves 
1 
tablespoon sugar 
1/2 
teaspoon salt 
1/2 
teaspoon pepper 
1/2 
teaspoon crushed red pepper flakes 

* 1 Spray 5-quart slow cooker with cooking spray. In 12-inch skillet, cook sausage, onions, mushrooms and garlic over medium heat about 10 minutes, stirring occasionally, until sausage is no longer pink; drain. 
* 2 Spoon sausage mixture into cooker. Stir in remaining ingredients. 
* 3 Cover; cook on Low heat setting 8 to 9 hours.