Basic Tamarillo-Banana Purée

Grace Kirschenbaum, a food consultant and freelance writer who specializes in foods from New Zealand, has devised this simple, all-purpose tamarillo recipe to be used in a variety of ways:

• Spoon over fresh or cooked fruit, vanilla pudding, or rice or tapioca pudding.
• Spread in jelly rolls or between cake layers.
• Layer with whipped cream or crème fraîche as a parfait.
• Blend with light cream cheese for a pretty pink spread for the br