Squash Casserole - cooking recipe

Ingredients

4 medium potatoes, pared and thinly sliced
2 medium onions, peeled and thinly sliced into rings
4 small yellow squash, thinly sliced
salt and pepper
1/2 c. butter
1 c. grated Parmesan cheese
1 c. sour cream

Preparation

Butter a shallow dish that holds about 2 1/2 quarts and goes both into the oven and under the broiler.
Layer half the potatoes, sprinkling with salt and pepper.
Dot with butter. Layer half the onions, salt and pepper; dot with butter.
Repeat with remaining vegetables, ending with squash.
Cover tightly and bake at 350\u00b0 until tender, 45 minutes to 1 hour.
Stir together Parmesan and sour cream.
Spread on top of vegetables.
Broil on high for 3 to 5 minutes.
Watch carefully.
Top will be browned in spots.