Summer Squash Au Gratin - cooking recipe

Ingredients

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 cup cheddar cheese, shredded
3 slices bacon, cooked and crumbled
1/4 teaspoon pepper
salt, if needed to taste
1/3 cup grated parmesan cheese

Preparation

Preheat oven to 350. Lightly grease/spray a casserole dish and set aside.
In a large skillet, melt the butter. Add the squash, celery and oniona and saute in the butter for about 2-3 minutes, just until they are softened and barely tender. Do not overcook.
Remove from heat.
Stir in the sour cream, cheddar cheese, pepper and (if needed salt) and bacon.
Mix well and place in the casserole dish. Sprinkle Parmesan over the top and bake at 350 degrees for about 30 minutes or until lightly brown on top.