Super Simple French Dip Sandwiches

Two French dip sandwiches topped with melted cheese on a toasted sub bun next to a bowl of au jus for dipping.

Super Simple French Dip Sandwiches

These easy French Dip Sandwiches are a game-changer for busy nights! Made with high-quality deli roast beef and a quick homemade au jus, they’re packed with rich, savory flavor without the hassle.

Course Dinner

Cuisine American

Prep Time 10

Cook Time 10

Total Time 20

Servings sandwiches

Calories 672kcal

Author Susie Weinrich

Ingredients

Assembly

1 - 1 ¼ lbs. deli roast beef thinly sliced (good quality like Boars Head)
6 hearty buns or a baguette
8-12 slices provolone cheese or pepper jack cheese
butter softened
garlic powder
Banana peppers or pepperoncini's for serving, optional

Au Jus

1 small yellow onion sliced
2 cloves garlic minced
2 tablespoon butter
2 tablespoon all purpose flour
1 teaspoon beef base Better Than Bullion
10.5 oz French Onion Soup
1 ½ cups beef broth
1 teaspoon Worcestershire sauce
¼ teaspoon black pepper

Instructions

For the au jus, in a medium saucepan add the butter and onions, let sauté until softened. Add the garlic and let sauté another minute.
1 small yellow onion, 2 tablespoon butter, 2 cloves garlic
Stir in the beef base. Sprinkle in the flour and stir for 1 minute.
1 teaspoon beef base, 2 tablespoon all purpose flour
Pour in the French onion soup, beef broth, Worcestershire sauce, and black pepper. Bring to a light simmer for 5 minutes.
10.5 oz French Onion Soup, 1 ½ cups beef broth, 1 teaspoon Worcestershire sauce, ¼ teaspoon black pepper
Dip the Roast Beef in the Au Jus to warm and soak up flavor for a minute or two.
1 - 1 ¼ lbs. deli roast beef
Place the rolls/baguette on a baking sheet. Spread softened butter on the insides of the rolls and sprinkle generously with garlic powder.
6 hearty buns or a baguette, butter, garlic powder
Place the buns under the broiler and broil until golden brown.
Remove the buns from the broiler and top with about ¼ pound of roast beef per sandwich. (if the top bun is already really well toasted, remove them from the baking pan) top the roast beef with 2 slices of cheese. Return to the oven, opened face and heat until the cheese has melted.
Remove from the oven. Pour some au jus into a ramekin and serve hot for dipping the sandwiches. Serve with banana peppers or pepperoncini's if desired.

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