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French Onion Burger

By: Chef Cindy Gilbert

Made With:

Inspired by the beloved soup, hearty French Onion Burgers capture all the rich flavor of savory onions paired with juicy, perfectly seared beef. Decadently melted Gruyère and a grilled bun make it an instant comfort food favorite.

Recipe Info

Prep Time:

20m
Cook Time:

30m
Ingredients:

22
Servings:

4
User Rating:

Ingredients

French Onions
2 tablespoons flour
1/2 teaspoon McCormick Gourmet™ Organic Ground Thyme
1/2 teaspoon McCormick® Sea Salt Grinder
1/4 teaspoon McCormick Gourmet™ Organic Coarse Ground Black Pepper
2 teaspoons light brown sugar
2 large yellow onions, peeled and cut into 3/4-inch thick slices (do not separate into rings)
2 tablespoons vegetable oil
3 tablespoons butter
1 1/4 cups beef stock, divided, plus more as needed
3/4 cup grated Gruyere cheese
1 tablespoon cornstarch
Burgers
1 1/2 pound ground beef
1/4 cup milk
1 egg
2 tablespoons panko breadcrumbs
4 teaspoons French's® Classic Yellow Mustard
4 teaspoons French's® Worcestershire Sauce
1 1/2 teaspoons McCormick Gourmet™ Organic Garlic Powder
1/2 teaspoon McCormick Gourmet™ Organic Ground Thyme
1 1/2 teaspoons salt
1 cup baby arugula
4 brioche rolls, split

Nutrition Information

(per serving)

Key products

A jar of McCormick Gourmet Organic Ground Thyme.

Three gourmet burgers with arugula and melted cheese are displayed on a wooden board, suggesting a high-end dining experience.

McCormick Gourmet™ Organic Ground Thyme
1.25 oz

This is a jar of McCormick Organic Garlic Powder.

A vibrant tomato tart topped with fresh arugula is displayed on a wooden board and a plate, showcasing its colorful layers and inviting presentation.

McCormick Gourmet™ Organic Garlic Powder
2.25 oz

A jar of McCormick Organic Coarse Ground Black Pepper.

A plate of perfectly cooked lamb chops served over a bed of greens and grains, accompanied by a golden fork and glasses of beer.

McCormick Gourmet™ Organic Coarse Ground Black Pepper
1.62 oz

A McCormick Sea Salt Adjustable Grinder with a black lid and a glass jar filled with salt crystals.

McCormick Sea Salt Grinder
2.12 oz

["A bottle of French's Classic Yellow Mustard."]

['A close-up of a hot dog with mustard and onions on a bun.']

French's® Classic Yellow Mustard
8 oz

A bottle of French's Classic Worcestershire Sauce.

French's® Worcestershire Sauce
10 fl oz

Instructions

For the Onions, mix flour, thyme, salt, pepper and brown sugar in shallow dish. Coat onion slices in flour mixture, being careful to keep slices intact. Heat oil and butter in large heavy-bottom skillet on medium heat. Add onion slices and sprinkle with any remaining flour mixture. Cook 4 to 6 minutes per side until well browned.
Drain excess oil from skillet. Reduce heat to low; add 3/4 cup of the stock. Cover and cook 10 to 12 minutes or until onions are very tender, adding additional stock as needed to prevent over browning. Sprinkle tops of onion slices evenly with cheese. Cover. Cook just until cheese is melted. Remove cheesy onions from pan; set aside, cover to keep warm.
Meanwhile, whisk remaining 1/2 cup beef stock and cornstarch in small glass measuring cup. Add to skillet; bring to simmer. Cook until thickened. Keep warm.
For the burgers, mix all ingredients (except rolls) in medium bowl, just until blended. Shape into 4 even patties. Grill over medium-high heat until desired doneness. Meanwhile, toast rolls on grill alongside burgers. Serve burgers on rolls, topped with cheesy onions and arugula. Drizzle generously with pan sauce and top with additional Gruyere, if desired.

French Onion Burger

Recipe Info