Custard Apple Smoothie

Mr. Spring came home with a custard apple. It sat on the counter for a few days while I wondered what to do with it. I found

this

 recipe which brings out the delicate, beautiful taste of the fruit (I've decided it's like a cross between a banana, apple and a pawpaw) while overcoming the slightly yucky, sludgy texture.

Recipe:

(serves 2) 1 ripe custard apple • 1½ cups skim milk • 2 teaspoons lime juice • 1 teaspoon sugar}