4 lbs. potatoes, pared & very thinly sliced (8 c.)
2 lg. onions, thinly sliced (3 c.)
1/2 c. butter
1/2 c. freshly grated Parmesan cheese
Cayenne pepper
Salt & pepper

Preheat oven to 400 degrees. In a buttered 9"x13" dish, place 1/3 of the potatoes and 1/3 of the onions. Sprinkle with salt and pepper; dot with 1/3 of the butter. Repeat this step 2 more times. Cover and bake fro 45 minutes or until tender. Uncover and bake until top is lightly browned. Remove from oven, let cool for 5 minutes. Loosen around edge and invert on a heat proof serving platter. Sprinkle cheese and cayenne on top and return to oven to brown cheese. 8 servings.