Directions
- PREHEAT oven to 300°F.
- BRINGÂ large pot of salted water to boil; add squash and onion and cook just until they begin to soften, about 3 minutes.
- POURÂ through colander and let stand to drain thoroughly.
- TRANSFER to large mixing bowl. Add three fourths of butter and toss until melted. Add milk, eggs, sugar, salt and pepper and mix well. Stir in cheese. Pour mixture into 1 ½-quart casserole.
- BAKEÂ for 45 to 55 minutes or until set all the way to center.
- REMOVEÂ from oven and dot top of casserole with the remaining butter. Sprinkle with cracker or Panko crumbs. Return to oven until crumbs are golden and lightly crisped, about 5 minutes longer.