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5 from 4 votes

Cheese Steak Panini with Caramelized Onions

Sweet soft onions, loads of melty cheese and tender steak piled on toasted bread!
Prep Time15 minutes
Cook Time15 minutes
Total Time30 minutes
Course: Main
Cuisine: American
Keyword: lunch, sandwich, steak
Servings: 2
Calories: 801kcal
Author: Tricia

Ingredients

  • 8 ounces cooked steak, chicken or deli meat, sliced thin
  • 3 ounces Fontina cheese, sliced (more if desired)
  • 2 medium onions, sliced thin
  • 2 tablespoons mayonnaise
  • 4 slices good quality bread
  • 1 tablespoon olive oil, plus extra to lightly oil the panini pan
  • 1 tablespoon butter
  • salt and pepper

Instructions

  • Heat a medium skillet over medium-low heat. Add the butter and 1 tablespoon olive oil. Add the sliced onions and cook slowly until caramel colored. Salt to taste. Spoon caramelized onions into a small dish and set aside. Add the sliced steak to the skillet and saute to heat through. 
  • To assemble spread mayonnaise on one side of each slice of bread. Divide the onions, meat and cheese between the two sandwiches. Top with remaining bread. 
  • Heat a panini press or pan on medium-low and lightly grease with olive oil.  Cook panini until bread is lightly browned and cheese is melted.  Slice in half and serve immediately.

Notes

Nutrition information is calculated using an ingredient database and should be considered an estimate. When multiple ingredient alternatives are given, the first listed is calculated for nutrition. Garnishes and optional ingredients are not included.

Nutrition

Calories: 801kcal | Carbohydrates: 51g | Protein: 41g | Fat: 49g | Saturated Fat: 18g | Polyunsaturated Fat: 9g | Monounsaturated Fat: 19g | Trans Fat: 1g | Cholesterol: 125mg | Sodium: 768mg | Potassium: 796mg | Fiber: 4g | Sugar: 20g | Vitamin A: 431IU | Vitamin C: 16mg | Calcium: 448mg | Iron: 5mg