Gratin Of Apples, Sweet Potatoes And Onions - cooking recipe

Ingredients

6 firm-fleshed, tart apples (Pink Pearl or Granny Smith), cored, peeled and sliced
2 medium yellow onions, peeled and sliced
5 medium sweet potatoes, peeled and sliced
5 extra large eggs
1 c. heavy whipping cream
sea salt to taste
freshly grated nutmeg to taste
pepper to taste
4 Tbsp. butter, cut into bits

Preparation

Preheat oven to 350\u00b0.
Spray a baking dish (a heavy enameled, cast-iron dish with a nonstick surface is ideal) with nonstick baking spray.
Layer the apples, onions and potatoes, alternating layers until all of the slices are used.