Leek, Potato & Sweet Potato Torte - cooking recipe

Ingredients

1 tablespoon olive oil
2 large leeks, green trimmed off, washed well, sliced 1/2 inch pieces
1 tablespoon fresh thyme or 1 teaspoon dried thyme leaves
salt & pepper
1 lb sweet potato, peeled and cut into 1/8 inch slices
1 lb potato, peeled and cut into 1/8 inch slices

Preparation

Have oven rack on lowest level, preheat to 450\u00b0F.
Lightly oil a 9\" deep pie plate, line it on the bottom with parchment and lightly oil the parchment.
Heat the tbsp of oil in a skillet and saute the leeks and thyme for approx 5 minutes, watch they don't scorch, if necessary add a tbsp or two of water, remove from heat and season with salt and pepper.
Arrange half of the sweet potatoes in the pie plate, have them slightly overlapping going around the plate ending up in the center of the pie plate--one layer but overlapped.
Season with salt and pepper. Spread 1/3 of the leek mixture over the sweet potatoes.
Layer half of the potatoes in the same manner as the sweet potatoes. Season with salt and pepper.
Cover with 1/3 leeks repeat with another final layer of potatoes. Cover with remaining leeks. Season with salt and pepper.
Add final layer of sweet potatoes.
Cover tightly with foil and bake for 45 minutes or until the potatoes are tender.
To serve run a knife around the edge to loosen, invert onto a plate, remove parchment paper, slice in wedges and serve.