O. Garden Pasta E Fagioli Soup in a Crock Pot

2 lbs ground beef
1 onion, chopped
3 carrots, chopped
4 stalks celery, chopped
2 (28 ounce) cans diced tomatoes, undrained
1 (16 ounce) can red kidney beans, drained
1 (16 ounce) can white kidney beans, drained
3 (10 ounce) cans beef stock
3 teaspoons oregano
2 teaspoons pepper
5 teaspoons parsley
1 teaspoon Tabasco sauce (optional)
1 (20 ounce) jar spaghetti sauce
8 ounces pasta

1. Brown beef, drain fat and add to Crock Pot.    
Add all ingredients except pasta.
Cook on low 6-8 hours or high 4-5.
If on high: 30 minutes before end add pasta......1 hour before if on low.