6 croque madame sandwich Recipes

unsalted butter, all-purpose flour, whole milk, salt, black pepper, freshly grated nutmeg, coarsely grated gruyere cheese (1 1/3 cups), firm white sandwich bread, dijon mustard, sliced cooked ham (preferably black forest), eggs

melted butter, sourdough or white sandwich bread, good-quality cooked ham, dijon mustard (optional), grated gruyere or emmentaler cheese, divided, mornay sauce, eggs , cooked sunny-side up or over easy

unsalted butter, all purpose flour, whole milk, salt, black pepper, freshly grated nutmeg, coarsely grated gruyere cheese, firm white sandwich bread, dijon mustard, sliced cooked ham (preferably black forest, eggs

unsalted butter, divided, flour, whole milk, bay leaf, kosher salt, plus more for seasoning, grated parmesan, thick sourdough bread, good quality ham (about 3/4 lb), gruyere cheese, grated, divided, eggs