Roast Beef without turmeric tenders

6 -8 ounces roast beef , rare and sliced (quality matters here, for this dish I go for rare, sliced RB from Whole Foods) 1 cup greens (field greens, about two[...]

6 soft kaiser rolls, split 1/2 cup butter , very soft 1 tablespoon Dijon mustard 2 tablespoons prepared horseradish, to taste 1 dash Worcestershire sauce 3[...]