Prep Time: 10 mins | Cook Time: 30 mins | Total Time: 40 mins | Yield: 4 Servings
These heavenly sandwiches are so good! You will surely love every bite of these delicious treats. Enjoy!
2 large sweet onions, peeled, halved, and thinly sliced
8 tbsp unsalted butter, divided
1/3 c mayonnaise
2 tbsp ketchup
1/2 tsp yellow mustard
1/4 tsp garlic powder
1/4 tsp ground black pepper
4 Chop House by Holten Angus Sirloin Steak Burgers
8 slices thick-cut sourdough or rye bread
4 slices medium cheddar cheese
4 slices Swiss cheese
Step 1: Place a large skillet on the stove and turn the heat to medium-low.
Step 2: Add 2 tablespoons of butter and allow it to melt.
Step 3: Add the onions and cook them for about 30 minutes or until caramelized and translucent on low heat.
Step 4: Meanwhile, in a small mixing bowl, add the ketchup, mayonnaise, garlic powder, mustard, and black pepper. Stir until well mixed.
Step 5: Place a large skillet on the stove and turn the heat to medium-high.
Step 6: Add 2 tablespoons of butter and allow it to melt.
Step 7: Add the burger patties. Refer to the directions provided on the package on how to cook them.
Step 8: Spread the sauce over each side of the sliced bread.
Step 9: Distribute the onions into 4 slices of bread.
Step 10: Place a burger patty over each bread, followed by a slice of cheese, and then the other sliced bread.
Step 11: In the same skillet, add 2 tablespoons of butter and allow it to melt.
Step 12: Add the sandwiches and both sides until slightly toasted. Make sure to add more butter if needed.
Step 13: Place the sandwiches on a clean serving plate.
Step 14: Serve and enjoy!
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