01 -
Stir flour and salt together. Cut in the cold butter until the pieces are pea-sized, then mix in cheddar. Add 1/2 cup ice water and stir just until the dough clumps, adding 1-2 tablespoons more only if needed. Divide into 2 discs, wrap, and chill for at least 1 hour.
02 -
Place dried mushrooms in a heatproof bowl and cover with boiling water. Let stand for 20 minutes, then lift out the mushrooms and chop finely. Strain and save a little soaking liquid if it tastes clean.
03 -
Heat oil or lard in a large skillet over medium-high heat. Add venison, shallots, garlic, thyme, salt, and pepper. Cook for 5-7 minutes, breaking up the meat, until the venison is browned and the shallots have softened.
04 -
Stir in the chopped mushrooms, then move the mixture to a bowl. Melt butter in the same skillet, stir in flour, and cook for 1 minute. Whisk in stout, stock, and Worcestershire sauce, then simmer for 3-5 minutes until thick.
05 -
Return the venison mixture to the skillet and stir until coated in gravy. Spread the filling on a plate or shallow pan and cool until no longer warm, about 20 minutes.
06 -
Heat the oven to 425°F. Roll dough on a floured surface and cut twelve 6-inch rounds. Spoon about 2 heaping tablespoons filling onto each round, fold over, press out air, crimp the edges with a fork, and cut small vents in the tops.
07 -
Whisk egg with 1 tablespoon water and brush over the pies. Bake on a parchment-lined sheet pan for 18-22 minutes, until deeply golden and crisp. Rest for 5 minutes before serving.