For the cabbage base
01 -
1 small green cabbage, about 2 lb (900 g), chopped into 1-inch pieces
02 -
1 medium sweet onion, diced
03 -
8 tablespoons (113 g) unsalted butter
04 -
1/2 teaspoon kosher salt, plus more to taste
05 -
1/4 teaspoon black pepper
For the creamy layer
06 -
1 can (10.5 oz or 298 g) condensed cream of mushroom soup
07 -
1/3 cup (75 g) mayonnaise
For the crunchy top
08 -
1 sleeve buttery round crackers, about 30 crackers, roughly crushed
09 -
1 cup (115 g) shredded sharp cheddar cheese
10 -
3 tablespoons (42 g) unsalted butter, melted