"I grew up in Iowa and my dad used to take

 "I grew up in Iowa and my dad used to take me to get these all the time! I've missed them so! My whole family loved them and we've made them three times already."Must express something to keep getting my recipes... Thank you.

Ingredients

For the Secret Sauce

1/4 cup mayonnaise

2 tablespoons ketchup

1 tablespoon Dijon mustard

1 teaspoon pickle juice

1/4 teaspoon paprika

1/4 teaspoon garlic powder

For the Patty Melts

2 tablespoons olive oil

2 large onions thinly sliced

12 ounces 85/15 lean ground beef

1/2 teaspoon salt

1/2 teaspoon black pepper

1 teaspoon Worcestershire sauce

8 slices rye bread

3 tablespoons unsalted butter softened

4 Swiss cheese slices

4 cheddar cheese slices

Instructions

Make the Secret Sauce

In a small bowl, combine the mayonnaise, ketchup, mustard, pickle juice, paprika, and garlic powder.

Whisk until fully blended and set aside.

Cook the Onion and Beef

Heat the olive oil in a skillet over medium-low heat. Add the sliced onions. Cook for 30-40 minutes, stirring occasionally, until the onio