Large lima bean soup

This is the best lima bean soup I have ever have.


1small bag ...1 pound ... lima beans washed and cleaned (large or baby beans, I just prefer large)
1 large carrot chopped 
1 medium union chopped
1 medium tomato chopped
4 tablespoons olive oil or butter
1 teaspoon dry mint or thyme
3/4 teaspoon salt
2.5 litters water


In crock pot place all ingredients except salt and mint and set at slow for 8-9 hours.
15-20 minutes before you turn it off add salt and mint and is ready to serve. Hot or room temperature.

optional 1/2 bell pepper or red  cut into few large pieces
optional hot dry red pepper