Beef Patty Melt Uncrustables by Highkeitasty

Ingredients

• 225g (0.5 lb) ground beef
• 8 slices white bread
• 3 slices american cheese
• 1 large yellow onion, thinly sliced
• 1 tbsp oil (for onions)
• 1 tsp salt (divided)
• 0.5 tsp black pepper
• 3 tsp garlic, minced (divided)
• 0.25 cup mayonnaise (for sauce)
• 1 tbsp sriracha
• 1 tsp lemon juice
• 3 tbsp mayonnaise or unsalted butter (for searing)

Instructions

1. Mix ground beef with 0.5 tsp salt, pepper, and 2 tsp minced garlic, then shape into 4 thin patties, pressing an indent in the center of each.
2. Heat oil in a pan over low heat and cook sliced onions for 35–45 minutes until soft and golden, then set aside.
3. Combine 0.25 cup mayonnaise, Sriracha, 1 tsp minced garlic, lemon juice, and 0.25 tsp salt in a small bowl to make the sauce.
4. Fry the beef patties in the same pan used for the onions over medium heat for 3–4 minutes per side, then rest for 1 minute.
5. Assemble by layering a slice of bread, a piece of cheese, a cooked patty, caramelized onions, more cheese, and a second slice of bread.
6. Seal the sandwich using an Uncrustable sealer or a large glass, trimming off the excess crusts.
7. Spread mayonnaise or butter on the exterior of the sealed sandwiches and pan-fry over medium-high heat for 2–3 minutes per side until golden and toasted.