Piroshki Burgers....Oh Yeah!!

• Dough
• 6 cups plain flour
• 1 tablespoon dry yeast
• 1 tablespoon salt
• 1/3 cup sugar
• 2 egg yolks
• 2 cups milk, warmed
• 1 cup melted butter
• 1 egg, beaten lightly
• Filling
• 1 tablespoon olive oil
• 1 medium brown onion, chopped finely
• 1 garlic clove, crushed
• 1 cup potato, peeled and chopped finely
• 4 slices bacon, rind removed chopped finely (canadian or aussie style)
• 1 lb ground beef
• 1/3 cup tomato paste
• 2 teaspoons fresh thyme leaves
• 1 cup shredded cheddar cheese

1. Combine flour, yeast, salt and sugar in large bowl. Make a well in the centre; using hand, mix in egg yolks, milk and butter until mixture is soft and elastic. Scrape down sides of bowl, cover; stand in warm place about 1 hour or until dough doubles in size.
2. Meanwhile make the filling. Heat oil in large frying pan; cook onion, garlic, potato and bacon, stirring, until potato softens. Add beef; cook, stirring, until changed in colour. Stir in paste and thyme. cool 10 minutes before filling.
3. Turn dough onto floured surface;knead until smooth. Divide dough into 16 pieces;press each piece into 12cm round.
4. Preheat oven to 180c/350f. Lightly oil two oven trays.
5. Place rounded tablespoon of the filling in centre of each round and a pinch of chedder cheese (optional); gather edges, pinch firmly to enclose filling. Place piroshki, pinched-side down, on prepared trays; brush with egg. Stand, uncovered, in warm place 15 minutes.
6. Bake, uncovered, in hot oven about 20-25 minutes or until golden brown.

dough, flour, yeast, salt, sugar, egg yolks, milk, butter, egg, filling, olive oil, brown onion, garlic, potato, bacon, ground beef, tomato paste, thyme, cheddar cheese

Taken from www.food.com/recipe/piroshki-burgers-oh-yeah-174046 (may not work)