What Are Cream-filled Donuts Called?

What Are Cream-filled Donuts Called? Boston Cream Pie Doughnuts. Credit: Getty Images. Boston cream doughnuts are hollowed out yeast doughnuts filled with custard and topped with chocolate frosting. It’s the doughnut version of the Boston cream pie. What are the 2 types of donuts? A glazed yeast-raised ring American-style doughnut Alternative names Donut Course Breakfast,