Roasted Garlic Potatoes without cauliflower stock

3 heads garlic , split in half 3 tablespoons olive oil 2 lbs potatoes , peeled and diced 1/2 cup butter , cubed 1/2-3/4 cup heavy cream salt and white pepper[...]

3 large potatoes , cut into cubes 1 cup diced onion 2 garlic cloves , diced 2 tablespoons butter 1 tablespoon olive oil 1/4 teaspoon italian seasoning 1/4[...]