Potato Soup With Beef - With fruit

2 tablespoons olive oil 1 lb leek , washed and sliced crosswise 1 large onion , finely chopped 2 lbs potatoes , peeled and cut into 1 inch cubes 4 cups beef[...]

4 large potatoes (peeled and cut into bite sized pieces) 1 quart water (to cook potatoes in) 1 lb ham (cut into small chunks) 3 cups milk 2 cups cheddar[...]