The Barefoot Contessa's Ultimate Grilled Cheese is the sandwich cheese-lovers dream about.Get the recipe: http://www.foodnetwork.com/recipes/ina-garten/ultimate-grilled-cheese-recipe2.htmlUltimate Grilled CheeseRecipe courtesy of Ina GartenTotal: 55 minPrep: 10 minCook: 45 minYield: 6 servingsLevel: EasyIngredients12 slices thick-cut bacon, such as Nodine's applewood smoked1 cup good mayonnaise1/4 cup Dijon mustard1/4 cup freshly grated Parmesan cheese1 1/2 teaspoons kosher salt1/2 teaspoon freshly ground black pepper1 white pullman loaf or sourdough bread, sliced 1/2 inch thick (12 slices)6 tablespoons salted butter, at room temperature6 ounces aged Gruyere or Comte cheese6 ounces extra-sharp Cheddar, such as Cabot or Shelburne FarmsDirectionsPreheat the oven to 400 degrees. Arrange the bacon on a baking rack set over a sheet pan in a single layer and roast for 20 to 30 minutes, until nicely browned. Drain on a plate lined with paper towels and cut in 1-inch pieces.Meanwhile, combine the mayonnaise, mustard, Parmesan, salt, and pepper in a small bowl. Lay 12 slices of bread on a board and spread each one lightly with butter. Flip the slices and spread each one generously with the mayonnaise mixture. Don't neglect the corners!Grate the cheeses in a food processor fitted with the largest grating disk and combine. Distribute the bacon evenly on half the slices of bread. Pile 1/3 cup grated cheese evenly on top of the bacon and top with the remaining bread slices, sauce side down.Meanwhile, heat an electric panini press. When the press is hot, cook the sandwiches for 3 to 5 minutes in batches until the bread is toasted and the cheese is melted. Allow to cool for 2 minutes. Cut in half and serve warm.2010, Barefoot Contessa How Easy is That?, All Rights ReservedSubscribe to our channel to fill up on the latest must-eat recipes, brilliant kitchen hacks and content from your favorite Food Network shows. Watch free FULL EPISODES of Food Network shows: http://www.foodnetwork.com/videos/full-episodes?soc=youtubeVisit Food Network online: http://www.foodnetwork.comLike Food Network on Facebook: https://www.facebook.com/FoodNetworkFollow Food Network on Twitter: https://twitter.com/FoodNetworkFollow Food Network on Instagram: https://www.instagram.com/foodnetwork/