Potato, Green Pepper, & Tomato Gratin - cooking recipe

Ingredients

3 lbs peeled thinly sliced baking potatoes
2 large green peppers, cleaned and thinly sliced in rings
2 large tomatoes, thinly sliced
1 1/2 teaspoons salt
1/2 teaspoon black pepper or 1/2 teaspoon white pepper
1/4 cup melted butter
1/4 cup olive oil

Preparation

Preheat oven to 350 degrees.
Grease the sides and bottom of a 9x13 inch baking dish.
Arrange 1/3 of the Potatoes in the baking dish.
Top the Potatoes with 1/3 of the sliced Green Peppers.
Top the Green Peppers with 1/3 of the sliced Tomatoes.
Mix the melted Butter with the Olive Oil.
Drizzle 1/3 of the Butter, Olive Oil mixture over vegetables.
Season with 1/3 of the salt and pepper.
Repeat steps 3-7 until all of the ingredients are used up.
Bake 1 1/4 hour or until tender, golden brown and bubbly.