Caramelized Onion Meatloaf Sandwiches

🥘 Ingredients

• butter
  2 tbsp
• chicken stock concentrate
  2 unit
• cooking oil
  1 tbsp
• dijon mustard
  2 tsp
• garlic powder
  2 tsp
• ground beef
  20 oz
• ketchup
  2 unit
• mayonnaise
  1/2 c
• onion
  2 unit
• panko breadcrumbs
  ½ cup
• potatoes
  24 oz
• sourdough bread
  8 slice
• sugar
  1/2 tbsp
• wasabi paste
  1 tsp

🍳 Cookware

• baking sheet
• large bowl
• large pan
• small bowl

1. 

   1

   Adjust racks to top and middle positions and preheat oven to 425 degrees. Wash and dry produce. Cut potatoes into 1/2-inch-thick wedges. Halve, peel, and thinly slice onion . Mince a few slices until you have 2 tbsp of minced onion.

   potatoes: 24 oz, onion: 2 unit
2. 

   2

   Toss potatoes on a baking sheet with a large drizzle of cooking oil , salt, and pepper. Roast on top rack until browned and tender ⏱️ 25 minutes .

   cooking oil: 1 tbsp
3. 

   3

   Meanwhile, in a large bowl , gently combine ground beef , panko breadcrumbs , garlic powder , chicken stock concentrate , the minced onion, half the ketchup , salt, and pepper. Form beef mixture into two 1-inch-tall meatloaves; place on a second baking sheet. Brush tops of meatloaves with remaining ketchup. Roast on middle rack until cooked through, ⏱️ 20 minutes .

   ground beef: 20 oz, panko breadcrumbs: ½ cup, garlic powder: 2 tsp, chicken stock concentrate: 2 unit, ketchup: 2 unit
4. 

   4

   While potatoes and meatloaves cook, heat a large drizzle of oil in a large pan over medium-high heat. Add the sliced onion and cook, stirring occasionally, until browned and softened, ⏱️ 10 minutes . Add sugar and a splash of water. Cook, adding more splashes of water as necessary, until onion is caramelized and jammy, ⏱️ 3 minutes more. Season with salt and pepper. Transfer the caramelized onion to a small bowl and wipe out the pan.

   sugar: 1/2 tbsp
5. 

   5

   Heat butter in the same pan over medium heat. Add sourdough bread and toast until golden brown, ⏱️ 3 minutes per side, adding more butter as needed. While the bread toasts, in a small bowl , combine mayonnaise , wasabi paste , dijon mustard , and 1/4 tsp of the sugar. Season with salt and pepper if needed.

   butter: 2 tbsp, sourdough bread: 8 slice, mayonnaise: 1/2 c, wasabi paste: 1 tsp, dijon mustard: 2 tsp
6. 

   6

   Lay the toasted bread out on a cutting board. Spread half the bread slices with caramelized onion; spread remaining bread slices with the sauce, saving some for serving. Cut each meatloaf crosswise into four slices; fan the slices out over bread topped with caramelized onion. Close sandwiches and cut in half. Divide sandwiches and potato wedges between plates and serve with remaining sauce on the side for dipping.