Creamy Slow Cooker Mashed Potatoes

| 2.2 kg potatoes (, peeled and cut into 1 1/2-inch pieces*)

chicken broth / stock

garlic (, crushed)

butter (, diced (reduced fat if counting points or calories))

good pinch of salt ((adjust to your tastes))

sour cream ((light if counting points or calories))

- 1/2 cup hot milk ((skim or 2% if counting points or calories))

fresh grated parmesan cheese ((optional -- substitute with cheddar if your prefer))

pepper (, to taste)