Pintxos

Ingredients

• ["2 tablespoons olive oil, divided", "1/2 pound potato or sweet potato, sliced thin", "1 bunch scallion or 1/2 onion, sliced thin", "1 teaspoon salt, divided", "4 eggs, beaten", "5 saffron threads", "2 tablespoons mayonnaise", "1/2 teaspoon dijon mustard", "1/2 pound baby portabella mushrooms", "2 tablespoons sherry", "20 small pickled sweet peppers (such as peppadew)", "20 green olives, whole, pitted, about 1 cup or 1/2 lb", "2 tablespoons honey", "3\" length of fresh rosemary""