Mix the above ingredients together. Add as much Worcestershire sauce as you like. Let this sit in the fridge for an hour or more. Use as a spread for sliced roast beef sandwiches.
Melt butter in saucepan. Sprinkle with flour and salt & pepper. Cook while whisking with wire wisk for a couple minutes. Slowly stir in milk while continuing to whisk over medium heat. Simmer until thickened. Remove from heat.
*To make cheese sauce, add 2 cups shredded cheese and a dash of dried mustard, paprika and cayenne.
