Combine egg yolk and mustard in a bowl. Add a few drops of Tabasco sauce, salt and pepper. Add oil gradually, whisking. Stir in lime juice and zest and orange juice.
Combine dressing, rice, green onions, mango, pepper, tomatoes and avocado in a large bowl and mix well.
Roll up ham or slice and add to salad.
Divide salad among plates and top with ham.
Tips from the chef
Avocado is easier to cut into cubes if not completely ripe.