INGREDIENTS
•
6 tbsp. unsalted butter, divided plus more for a pan
•
10 medium yellow squash, sliced
•
1 yellow onion, chopped
•
1 garlic clove, chopped
•
1 can (10 1/2-ounce) cream of mushroom soup
•
1/2 c. whole milk
•
8 oz. Cheddar cheese, grated (about 2 cups)
•
1 large egg, beaten
•
2 c. crumbled butter crackers (about 40)
•
Kosher salt and freshly ground black pepper