Blackberry Yogurt Recipe Blackberry Yogurt Ingredients: yogurt sugar blackberries Combine yogurt, sugar, and blackberries (about 1 blackberry for each 1/8 cup yogurt, however much sugar you want) in a hard container (not a bag). Use a spoon to mix. Smush some blackberries against the side of the container with the back of the spoon to release berry juices.