Preheat oven to 350 degree F. In a medium bowl stir together all-purpose flour, baking powder, and salt. Make a well in center of dry ingredients. In a small bowl combine milk and oil. Add liquid ingredients all at once; stir until moistened. Turn out onto a lightly floured surface. Quickly knead dough by gently folding and pressing dough 10 to 12 strokes or until nearly smooth. On a lightly floured surface roll dough to a 12-inch circle. Line a 9-inch pie plate with dough. Fold under the extra pastry; crimp edge as desired.
For filling, in a medium bowl stir together eggs, cottage cheese, shredded cheeses, ham, salami, green onion, and parsley. Pour into unbaked crust. Bake for 50 to 55 minutes or until a knife inserted near the center comes out clean. If necessary, cover edge of crust with foil during baking to prevent overbrowning. Let stand 10 minutes before serving. Makes 8 servings.