Step 1

In a small bowl whisk together sour cream and egg.

Step 2

Into the food processor add flour and salt and pulse until combined, about 3 seconds.

Step 3

Add butter then pulse until butter is pea-size, about 10 pulses.

Step 4

Next add half of the sour cream mixture and do 5 pulses. After add the rest of the sour cream and pulse 15 times or until the dough starts to from.

Step 5

After transfer the dough onto a floured surface, knead until the dough is formed about 30 seconds. Form a a flat circle and wrap it in plastic wrap then refrigerate for 30 minutes.

Step 6

Add butter into the skillet and melt it over medium/low heat. Once the butter melts add onion and cook for 5 minutes, stirring few times. After add thyme and garlic and saute for 30 seconds. Remove from the heat and let it cool for 5 minutes.

Step 7

Into a mixing big bowl add onion mixture, steak potatoes, rutabaga, Montreal steak spice and salt. Mix everything up. Then add flour and mix with a spoon until combined.

Step 8

Preheat the oven to 375F and line baking sheet with parchment paper. Divide the dough into 6 equal pieces (when working with one piece of dough cover the rest with plastic wrap). Take one piece of the dough and place it onto a floured surface, sprinkle a little flour over the top and roll it into a big oval or circle shape, about 1/8 thick. ADD 1 CUP OF FILLING.

Step 9

Fold the side of the dough over the filling forming a half-moon shape, using a fork press the edges to seal. Using a knife, make a cut over the top about 1 inch long. Then place pasty onto a baking sheet. Repeat with the rest of the dough pieces.

Step 10

Now, mix 2 teaspoon of water with 1 egg yolk and brush it over each pasty.

Step 11

Bake for 25 minutes, after divide 2 tablespoons of butter between 6 pasties and add it to the hole on top. Return back into the oven for 20 more minutes, or until pasties are golden color. Let cool on a wire rack for 5-10 minutes. Enjoy while warm.