Zutaten:

• 4 ounces cream cheese
• 4 cups water
• 1 teaspoon kosher salt, plus more as needed
• 1 pound dried elbow macaroni
• 3 tablespoons unsalted butter
• 8 ounces yellow sharp cheddar cheese (about 2 cups)
• 4 ounces fontina cheese
• 3/4 cup plus 2 tablespoons half-and-half or whole milk