Roasted Garlic Mashed Potatoes without seasoning tomatoes cream

1 head garlic 1 tablespoon olive oil 2 lbs yukon gold potatoes 5 tablespoons butter 1 cup half-and-half 1 cup buttermilk salt and pepper chives 1 Set oven to[...]

1 medium head garlic , papery skin removed and top sliced off to expose cloves 1 1/4 lbs potatoes , peeled and thinly sliced 1 bay leaf 1/2 bay leaf 1/2[...]