Ingredients
- 3 tablespoons butter, divided
- 1 yellow onion, thinly sliced
- 1 teaspoon water
- 3 tablespoons stone ground mustard
- 12 white slider buns or Hawaiian slider buns
- 1/2 pound deli style roast beef
- 12 slices provolone cheese
- 1 teaspoon Worcestershire sauce
- 2 tablespoons mayonnaise
- 1 teaspoon Dijon-style mustard
- 1 teaspoon sesame seeds
- 1 tablespoon fresh parsley, chopped to garnish
- 1 tablespoon butter
- 1 clove garlic, minced
- 1 cup Pacific Foods® Organic Beef Broth
- 1 tablespoon Worcestershire sauce
- 1/4 teaspoon dried thyme
- 1/4 teaspoon black pepper
- 1/4 teaspoon sea salt
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Instructions
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Step 1
Preheat the oven to 350° Fahrenheit and grease a 9x13-inch baking sheet. Place the bottom half of the rolls in the bottom of the pan.
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Step 2
Caramelize onions: Add 2 tablespoons of butter to a large skillet over medium heat. Add onion and water. Cook onions, stirring occasionally, until they begin to soften and caramelize, about 20 to 25 minutes. Remove from heat.
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Step 3
Prepare French Dip sandwiches: Spread an even layer of stone ground mustard onto rolls. Top with a layer of roast beef and a layer of provolone. Top with caramelized onions, then cover with the tops of the rolls.
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Step 4
Melt 1 tablespoon of butter and mix with Worcestershire, mayonnaise, Dijon mustard, and sesame seeds. Spread over the buns. Cover with foil and bake until golden and cooked through, about 20-30 minutes. Remove from the oven and sprinkle with fresh parsley.
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Step 5
Prepare the Au Jus Sauce: Add remaining butter to a small saucepan over medium heat. Stir in garlic and cook until fragrant, about 1-2 minutes. Add Beef Broth, Worcestershire sauce, thyme, sea salt, and pepper. Simmer for 10 minutes until reduced slightly.
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Step 6
Serve squares of French Dip Sandwiches with Au Jus on the side for dipping.
