Squash Casserole - Old School

• porsi: 8 servings
• total waktu: 1 hour 5 minutes

Bahan-bahan

6 tablespoons unsalted butter, divided

3 pounds yellow squash, sliced ¼-inch thick (from 5 medium squash)

1 medium-size yellow onion, chopped (about 1 ½ cups)

2 teaspoons kosher salt, divided

2 large eggs, lightly beaten

1 (8-oz.) container sour cream

4 ounces sharp Cheddar cheese, shredded (about 1 cup)

2 ounces Swiss cheese, shredded (about ½ cup)

½ cup mayonnaise

2 teaspoons chopped fresh thyme

½ teaspoon black pepper

2 sleeves round buttery crackers (such as Ritz), coarsely crushed

1 ounce Parmesan cheese, shredded (about ¼ cup)