Mashed Potatoes with pulp

2 whole heads of garlic 2 lbs yukon gold potatoes , cubed, peeled 1 cup onion , chopped 2 tablespoons yogurt , plain, fat-free 1 teaspoon dried rosemary ,[...]

2 whole garlic heads 1/4 cup butter , softened 1 tablespoon shallot , finely chopped 2 teaspoons rosemary , finely chopped 2 1/2 lbs red potatoes or 2 1/2 lbs[...]

2 whole garlic heads 1/4 cup butter, softened 1 tablespoon finely chopped shallots 2 teaspoons finely chopped fresh rosemary Potatoes: 2 1/2 pounds cubed[...]