Tourtiere (French-Canadian Meat Pie)

1/3 lb ground beef 1/3 lb ground pork 1/3 lb ground veal 1 small onion , finely chopped 1 small potato , grated 1 small garlic clove , crushed 1/2 teaspoon[...]

1 1/2 cups all-purpose flour 1/3 cup grated aged cheddar cheese 1/2 teaspoon salt 1/4 cup well-chilled butter , cut into pieces 1/4 cup lard or 1/4 cup Crisco[...]