Get started the day before: •Quiche: Bake and chill. •Ham: Trim and score ham (step 1 of recipe); make glaze and chill (step 2 of recipe). •Buns: Bake, but don't add icing. •Citrus salad: Prepare and chill. •Watercress salad: Stem watercress and make dressing; chill them seperately.
Finish up in the morning: •2 1/2 hours before: Start baking ham. •1/2 hour before: Put quiche and buns into oven with ham (tent both with foil). Make fresh o.j. and orange slices for drinks. •30 minutes before: Remove buns from oven and ice them. Set out ham and salads; dress the watercress.