Creamy Italian Potato Salad - cooking recipe

Ingredients

12 cups peeled cubed red salad potatoes or 12 cups new white potatoes (see Note, about 3 pounds)
2/3 cup grated parmesan cheese
1 cup ricotta cheese
4 cloves garlic, minced
1/2 medium red onion, sliced in thin rings
1/2 cup olive oil
6 tablespoons cider vinegar
salt and pepper
1/2 cup chopped fresh parsley
1/2 teaspoon leaf oregano, crushed

Preparation

Note: Potatoes may be scrubbed and left unpeeled, if desired.
Cook potatoes in boiling salted water until just tender.
While potatoes cook, combine remaining ingredients, except last two.
Drain potatoes.
While potatoes are still hot, stir in cheese mixture.
Cover, chill.
Just before serving, stir in parsley and oregano.