Brush cooled pastry shell with mustard. Saute onions in butter (2 tablespoons), add spinach and seasonings. Stir until moisture ... minutes or until set.
Scatter ham evenly over bottom of baked pie shell. Cook spinach and onion in 2 tablespoons ... well. Pour into pastry shell. Cut 1 tablespoon butter ... slightly. Serve. 6 servings.