Summer Squash Gratin with butter

4 tablespoons butter 6 cups diced summer squash, 1/2-inch dice (yellow or green or combo) 1/2 cup chopped celery 1/4 cup chopped onion 1/2 cup sour cream 1[...]

1/4 cup butter 4 cups thinly sliced summer squash 1 medium sliced onion 1 teaspoon salt 1 dash pepper 1/4 cup water 1/2 cup grated cheese (any variety) 1 Melt[...]

3 -4 medium yellow squash, thinly sliced 1 medium onion , thinly sliced 3 garlic cloves , thinly sliced 1 tablespoon butter 1 tablespoon olive oil 1/2 cup[...]