Portion the ice-cream and yogurt into two serving dishes, then top with the jam.
My favorite ice-cream to make this with is Häagen-Dazs (readily available at convenience stores).
Story Behind this Recipe
I have been making this simple dessert for years now, ever since a relative taught me the recipe.
You can either thoroughly mix everything together before eating, or eat as-is to enjoy a variety of textures and tastes. The listed quantities are only suggestions, so feel free to alter them as you like. You could also try using flavored ice-cream and/or yogurt.