1 large orange 1 egg yolk 2 tablespoons sweet chili sauce 2 teaspoons sugar 1/2 teaspoon crushed dried chilis
Zest orange and reserve orange zest. Juice orange, removing any seeds. In a large saucepan combine orange juice, orange zest, and egg yolk with a whisk. Put saucepan on medium-low heat, stirring with whisk. When it begins to bubble, add sugar, sweet chili sauce, and dried chilis while continuing to stir. Reduce to a saucy consistency (it should flow, but thickly). Remove from heat.
I made this to accompany baked tuna filets, and liked it very much. Maybe it would go well with other things?