Sift together flour, baking powder and salt into mixing bowl. Cut in butter until particles are fine. Combine egg with milk. Add to dry ingredients; stir until dough is formed. Divide into 2 parts, one slightly larger. Roll out larger piece on floured surface to a 15X12-inch rectangle. Fit into an ungreased 12X8-inch baking dish, pressing dough against sides and bottom of dish.

Chicken Filling: Combine chicken, ham, mushroom pieces, flour and almonds. Turn into pastry-lined pan. Roll out remaining dough to a 12X7-inch rectangle. Cut lengthwise into 1-inch strips. Place 4 strips lengthwise over filling. Cut remaining strips in half and place crosswise over filling making a lattice top.

Broth: Combine broth, cream, salt, nutmeg, allspice and pepper. Pour over lattice top.

Bake at 375 degrees for 45 to 50 minutes until golden brown.