For the casserole
01 -
12 oz (340 g) wide egg noodles
02 -
2 tablespoons unsalted butter
03 -
1/2 cup (75 g) finely diced yellow onion
04 -
1/2 cup (55 g) finely diced celery
05 -
1 can (10.5 oz or 298 g) condensed cream of mushroom soup
06 -
3/4 cup (180 ml) whole milk, plus more if needed
07 -
1/3 cup (80 g) sour cream
08 -
1 cup (115 g) shredded sharp cheddar cheese
09 -
2 cans (5 oz or 142 g each) tuna, drained and flaked
10 -
1 1/2 cups (210 g) frozen peas
11 -
1/2 teaspoon garlic powder
12 -
1/2 teaspoon black pepper
13 -
1/4 teaspoon kosher salt, plus more for pasta water
For the topping
14 -
1 cup (45 g) crushed buttery crackers
15 -
2 tablespoons unsalted butter, melted
16 -
1 tablespoon chopped parsley, optional