Small "kids fun sized" apples are just about OK for many pears have a lower sugar/carb content.
100 grams of Greek yogurt contains between 14 & 20 grams of carbohydrate all of which is sugar so a little 150 gram pot could contain 30 grams of sugar.
Try to keep to foods that are below 5 grams per 100 grams of sugar and remember all carbohydrate is sugar once your body gets to work on it.
Sainburys Thai Green Chicken Soup sold in a plastic pot is low carbohydrate at 5.6 grams/100 grams other soups in the same range are higher. Some tinned soups are more than 20 grams/100 grams.