Crust: Combine flour and cracker crumbs. Cut in crisco until mixture resembles coarse oatmeal. Sprinkle with 1/2 cup water, a Tb at a time. Toss with a fork until crumbs are completely moistened. Press mixture into bottom of ungreased 15x10x1-inch pan. Prick crust with fork. Filling: Sprinkle swiss cheese, ham, onions, parsley and pimentos evenly over crust. Beat eggs, cream, half anf half, salt and pepper. Pour over filled crust. Bake at 400 degrees in preheated oven for 25- 30 minutes or until set. Cool 5-10 minutes. Cut into 1 1/2x2-inch pieces. Serve warm. Note: Crust may bubble during baking and need to be pricked with fork again.