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Sirloin Steak Sandwiches & Onion Rings

Sirloin Steak Sandwiches & Onion Rings

plus Wedge Salad with Blue Cheese, Tomato, Chives & Croutons

Recipe Development Team
Recipe Development TeamUpdated on November 21, 2025

Packed with the classic flavors of your favorite steakhouse, this sandwich-and-salad combo is hard to beat. For the ultra-savory sandwich, juicy slices of sirloin steak, crispy homemade onion rings, and creamy mustard aioli are stuffed into toasted ciabatta bread. On the side, you’ll serve a wedge salad complete with blue cheese dressing, tomato, and croutons.

Tags:
Easy Prep
New
Seasonal
Allergens:
Milk
Wheat
Soy
Eggs

The quantities provided above are averages only.

Produced in a facility that processes eggs, milk, fish, peanuts, sesame, shellfish, soy, tree nuts, and wheat.

Total Time35 minutes
Prep Time5 minutes
DifficultyMedium
serving amount

12 ounce

Sirloin Steak

1.5 ounce

Blue Cheese

(Contains: Milk)

1 unit

Croutons

(Contains: Milk, Wheat)

1 unit

Baby Lettuce

2 unit

Ciabatta

(Contains: Wheat, Soy)

1 unit

Onion

2 tablespoon

Crème Fraîche

(Contains: Milk)

1 ounce

Smoky Mustard

1 unit

Brown Sugar Bourbon Seasoning

1.5 ounce

Blue Cheese Dressing

(Contains: Milk, Eggs)

¼ ounce

Chives

4 tablespoon

Mayonnaise

(Contains: Eggs)

82 g

Tempura Batter Mix

(Contains: Milk, Wheat, Eggs)

1 unit

Tomato

Not included in your delivery

1 teaspoon (tsp)

Salt

2 tablespoon (tbsp)

Cooking Oil

2 teaspoon (tsp)

Cooking Oil

/ per serving
Calories1480 kcal
Fat92 g
Saturated Fat24 g
Carbohydrate100 g
Sugar16 g
Dietary Fiber7 g
Protein51 g
Cholesterol225 mg
Sodium3260 mg
Due to the different suppliers we purchase our products from, nutritional facts per meal can vary from the website to what is received in the delivered box, depending on your region.
Baking Sheet
Large Pan
Paper Towel
Whisk
Large Bowl
Slotted Spoon

Cooking Steps

Prep
1
  • Adjust rack to top position and preheat oven to 425 degrees. Wash and dry produce.

  • Thinly slice chives. Peel and slice onion into ½-inch-thick rounds; separate into rings. Trim and discard root end from lettuce; halve lengthwise. Dice tomato into ¼-inch pieces. Crush croutons in their bag.

Mix Aioli & Dressing
2
  • In a small bowl, combine mustard, mayonnaise, and half the chives.

  • In a separate small bowl, whisk together blue cheese dressing, crème fraîche, and 2 TBSP water (4 TBSP for 4 servings).

Season & Cook Steak
3
  • Pat steak* dry with paper towels; season all over with McCormick Grill Mates Brown Sugar Bourbon Seasoning.
  • Heat a large drizzle of oil in a large, heavy-bottomed pan over medium-high heat. Add steak and sear, turning occasionally, until browned all over, 3-5 minutes. Turn off heat; transfer steak to a baking sheet.
  • Roast steak on top rack until cooked to desired doneness, 8-10 minutes. Rinse and wipe out pan.
  • Once steak is done roasting, transfer to a cutting board and let rest at least 5 minutes.
Coat Onion Rings
4
  • While steak roasts, in a large bowl, combine tempura batter mix, cup cold water ( cup for 4 servings), and salt (we used ½ tsp; 1 tsp for 4). TIP: If mixture seems too thick, add more water 1 TBSP at a time until it reaches a pancake-batter-like consistency.

  • Add onion to bowl and toss to coat.

Fry Onion Rings
5
  • Heat a -inch layer of oil in pan used for steak over medium-high heat.

  • Once oil is hot enough that a drop of batter sizzles when added to the pan, add coated onion in a single layer (you will need to work in batches!). Cook until golden brown and crispy, 2-3 minutes on the first side and 1-2 minutes on the second side. TIP: Lower heat If onion begins to brown too quickly.

  • Using a slotted spoon, transfer onion rings to a paper-towel-lined plate. Immediately season with salt.

Build Sandwiches
6
  • Halve and toast ciabattas.

  • Thinly slice steak against the grain.

  • Arrange steak and as many onion rings as you like on cut sides of half the ciabatta halves. Spread mustard aioli on cut sides of remaining halves; close to form sandwiches.

Serve
7
  • Divide sandwiches and lettuce wedges between plates. Drizzle dressing over wedges; top with blue cheese, tomato, crushed croutons, and remaining chives. Serve with any remaining onion rings on the side.

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