For the sloppy joe filling
01 -
1 tablespoon olive oil
02 -
1 small yellow onion, finely chopped
03 -
1 lb (450 g) ground beef, 85 percent lean
04 -
2 cloves garlic, minced
05 -
1/2 cup (120 g) ketchup
06 -
2 tablespoons tomato paste
07 -
1 tablespoon yellow mustard
08 -
1 tablespoon Worcestershire sauce
09 -
1 tablespoon packed brown sugar
10 -
1 teaspoon chili powder
11 -
1/2 teaspoon kosher salt, plus more to taste
12 -
1/4 teaspoon black pepper
For the sandwiches
13 -
8 slices thick white bread, sourdough, or Texas toast
14 -
3 tablespoons (42 g) unsalted butter, softened
15 -
8 slices sharp cheddar cheese, or 2 cups (225 g) shredded cheddar