Garlic Mashed Potatoes - cooking recipe

Ingredients

3 lb. baking potatoes (about 6)
1/4 c. (1/2 stick) unsalted butter
1 small onion, chopped
4 medium cloves garlic, sliced
1/4 c. potato cooking water
1 c. milk
1 tsp. salt

Preparation

Peel and cut potatoes in 2-inch chunks.
Place in large pot of cold water.
Bring to boil for 20 to 25 minutes or until tender.