Grilled Flank Steak Onion and Bell Pepper Sandwiches

Sink your teeth into the ultimate handheld delight with these Grilled Flank Steak Onion and Bell Pepper Sandwiches—perfect for lunch, dinner, or game day gatherings. Featuring tender, juicy flank steak marinated in a bold blend of olive oil, garlic, paprika, and spices, this recipe combines smoky grilled steak with the sweet, caramelized goodness of sautéed red onion, red bell pepper, and yellow bell pepper. Topped with melted provolone or Swiss cheese and served on warm, toasted hoagie rolls slathered with creamy mayonnaise, these steak sandwiches are hearty, flavorful, and irresistibly satisfying. With just 40 minutes from prep to plate, this meal is a quick yet gourmet option, ideal for feeding a hungry crowd or savoring on a weeknight. Pair with a crisp salad or fries for the perfect restaurant-quality experience right at home!

Nutriscore Rating: 61/100

Prep Time:15 mins

Cook Time:25 mins

Total Time:40 mins

Servings: 4

Ingredients

• 1 pound Flank steak
• 2 tablespoons Olive oil
• 2 cloves Garlic cloves, minced
• 1 teaspoon Salt
• 1 teaspoon Black pepper
• 1 teaspoon Paprika
• 1 medium Red onion, thinly sliced
• 1 large Red bell pepper, thinly sliced
• 1 large Yellow bell pepper, thinly sliced
• 4 rolls Hoagie rolls or sub rolls
• 4 slices Cheese slices (Provolone or Swiss)
• 4 tablespoons Mayonnaise
• 2 tablespoons Butter

Directions

Step 1

In a small bowl, combine olive oil, minced garlic, salt, black pepper, and paprika. Rub the mixture evenly on both sides of the flank steak. Let it marinate for at least 10 minutes.

Step 2

Preheat your grill or grill pan to medium-high heat.

Step 3

Grill the flank steak for about 4-5 minutes per side for medium-rare, or longer for your preferred doneness. Remove the steak from the grill, cover with aluminum foil, and let it rest for 10 minutes before slicing thinly against the grain.

Step 4

While the steak rests, heat a skillet over medium heat and add the butter. Once melted, add the sliced red onion, red bell pepper, and yellow bell pepper. Cook for 8-10 minutes, stirring occasionally, until they are softened and caramelized.

Step 5

Preheat the oven broiler. Slice the hoagie rolls in half lengthwise and lightly toast them under the broiler for 1-2 minutes, watching closely to prevent burning.

Step 6

Spread 1 tablespoon of mayonnaise on the bottom half of each hoagie roll.

Step 7

Layer the sliced flank steak on top of the mayonnaise, followed by the caramelized onions and peppers.

Step 8

Place one slice of cheese on top of the peppers, then return the sandwiches to the oven under the broiler for 1-2 minutes, just until the cheese melts.

Step 9

Place the top half of the hoagie roll on each sandwich, slice in half if desired, and serve immediately.

Nutrition Facts

Serving size	(1484.4g)

Amount per serving	% Daily Value*
Calories	3525.4

Total Fat 204.3g	0%
Saturated Fat 66.1g	0%
Polyunsaturated Fat 6.1g
Cholesterol 618.6mg	0%
Sodium 6744.0mg	0%
Total Carbohydrate 231.1g	0%
Dietary Fiber 17.9g	0%
Total Sugars 35.2g
Protein 197.8g	0%

Vitamin D 46.6IU	0%
Calcium 997.9mg	0%
Iron 22.5mg	0%
Potassium 2723.7mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 51.7%

Protein: 22.3%

Carbs: 26.0%