Crock Pot Tortellini Soup

Crock Pot Tortellini Soup
Chopped onion
2 medium zucchini chopped
3 1/2 cup chicken/vegetable broth
1 lg can crushed tomatoes
1 can beans (great northern, kidney, garbanzo) rinsed & drained
2 tbsp chopped basil
8 oz fresh tortellini

Combine all ingredients except tortellini
Mix well
Cook low for 6 hours
Increase to high 10 minutes before being ready to eat and add tortellini
Serve with parmesan