Cheesy Potato with gruyere

1/4 cup butter 1/2 stick, or half olive oil and half butter 1 pound mushrooms white or cremini, sliced 1 tablespoon garlic minced 4 cups leeks thinly sliced[...]

7 -8 yukon gold potatoes , scrubbed 2 cups 35% cream salt , to taste ground black pepper , to taste 12 ounces medium cheddar or 12 ounces gruyere cheese ,[...]

1 tablespoon unsalted butter 1 shallot , finely chopped 2 tablespoons all-purpose flour 1/2 cup chicken stock 1/2 cup heavy cream 1 cup grated gruyere cheese[...]

1 tablespoon unsalted butter 1 shallot , finely chopped 2 tablespoons all-purpose flour 1/2 cup chicken stock 1/2 cup heavy cream 1 cup grated gruyere cheese[...]

7 -8 yukon gold potatoes , scrubbed 2 cups 35% cream salt , to taste ground black pepper , to taste 12 ounces medium cheddar or 12 ounces gruyere cheese ,[...]