Summer Squash and Onion Cheesy Casserole
Prep Time: 15 min
Cook Time: 45 min
Ingredients
- ✓ 1 ½ tablespoons butter, divided
- ✓ 3 summer squash, trimmed and cut into bite-size pieces
- ✓ 3 zucchini, trimmed and cut into bite-size pieces
- ✓ salt and ground black pepper to taste
- ✓ 3 onions, chopped
- ✓ 1 pound shredded sharp white Cheddar cheese
- ✓ ½ pound shredded Cheddar cheese
- ✓ 3 tablespoons sweetened condensed milk, divided