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Caramelized Onion Steak Sandwich

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Servings 12 Servings

Ingredients
  

  • 4½ lbs. beef tenderloin
  • 4 jumbo Idaho-E Oregon onions 1/8 inch slices
  • 12 slices of medium cheddar cheese
  • 12 large slices of bread
  • ¾ c. Ale mustard
  • 24 leaves of lettuce
  • 3 lbs. tomatoes
  • 12 oz. unsalted butter divided
  • 2½ tsp. kosher salt
  • 1 tsp. black pepper fresh ground
  • 2 tsp. fresh minced herbs such as Thyme Rosemary, Sage, or Savory, optional

Instructions
 

  • Char broil tenderloin to desired doneness, set aside to cool.
  • Sauté onions with butter in sauce pan over medium heat for 10 minutes. Add salt, pepper and herbs; continue cooking for an additional 15-20 minutes until onions are translucent, tender and golden brown.
  • Slice cooled tenderloin very thinly and separate. Arrange thin meat into 12 stacks and broil, turning once. Add cheese to each stack and broil until melted. Toast bread slices.
  • Arrange toasted bread on individual plates. Spread each slice with ale mustard. Add lettuce leafs, tomato slices and broiled meat to each, topping with caramelized onions. Serve open face.