Ukrainian Pagach

Ingredients
vegetable oil coarse salt
 * 3 	 medium   potatoes, peeled and diced
 * 1 	medium onion, chopped
 * 2 	tablespoons margarine
 * 1/2 	teaspoon salt (to taste)
 * 1/4 	teaspoon pepper (to taste)
 * 1 	tablespoon milk
 * 5 	ounces grated cheddar cheese
 * 1 	box pillsbury hot roll mix

Directions

 * Cook potatoes in boiling salted water until tender and then drain,soute onion until tender too.
 * Mash the potatoes add onions, salt, pepper, cheese, and milk, blending well.
 * Prepare roll mix according to package directions, except divide dough in half.
 * Roll out bottom section and place on cookie sheet.Preheat oven to 375 degrees F
 * Pile potato mixture on dough, leaving about a 2" margin around the edge and roll out the remaining half and carefully place it on top.
 * Pinch together and crimp edges all around.Cut 2-3 venting holes in the top.
 * Brush the top with a small amount of vegetable oil, and sprinkle lightly with coarse salt.
 * Bake at 375 degrees for 20-25 minutes