Which food has less impact on blood sugar?

DARK CHOCOLATE (UNSWEETENED CHOCOLATE, SUGAR, COCOA BUTTER, BUTTER OIL, EMULSIFIER: SOY LECITHIN, NATURAL VANILLA FLAVOR), MILK CHOCOLATE (SUGAR, MILK, COCOA BUTTER, UNSWEETENED CHOCOLATE, LACTOSE, EMULSIFIER: SOY LECITHIN, NATURAL VANILLA FLAVOR), SUGAR, WHITE CHOCOLATE (SUGAR, COCOA BUTTER, MILK, NON-FAT MILK, EMULSIFIER: SOY LECITHIN, NATURAL VANILLA FLAVOR), VEGETABLE FAT (COCONUT, PALM KERNEL, PALM, SUNFLOWER, SHEA, RAPESEED), BUTTER OIL, HAZELNUTS, SORBITOL SYRUP, GLUCOSE SYRUP, NATURAL FLAVORS, CONTAINS LESS THAN 2% OF THE FOLLOWING: SPICES, UNSWEETENED CHOCOLATE, WHEY, COCOA BUTTER, LACTOSE, ALMONDS, COCONUT, RASPBERRIES, BUTTERFAT, ORANGE PEEL, RICE FLOUR, HAZELNUT OIL, STRAWBERRIES, COFFEE, WHEAT FLOUR, REDUCED FAT COCOA POWDER, POMEGRANATE JUICE, INVERT SUGAR, ELDERBERRY POWDER, CONDENSED MILK, MALTODEXTRIN, WHEAT STARCH, COCOA NIBS, SALT, HIMALAYA SALT, CARAMELIZED SUGAR, VANILLA EXTRACT, VANILLA SEEDS, PASSION FRUIT, MILK PROTEIN, EGGS, WATER, FRUCTOSE, HIGH FRUCTOSESYRUP, INVERT SUGAR SYRUP, LAC-RESIN, ANHYDROUS BUTTERFAT, SOY FLOUR, RAISING AGENT: BAKING SODA, DEXTROSE, GELLING AGENT: CITRUS FRUIT PECTIN, BARLEY FLOUR, HUMECTANT: GLYCEROL, ACIDITY REGULATOR: CITRIC ACID, POTATO STARCH, THICKENER: SODIUM ALGINATE, POTASSIUM ALUMINUM SILICATE, EMULSIFIERS (MONO- AND DIGLYCERIDES OF FATTY ACIDS, SUNFLOWER LECITHIN, SOY LECITHIN), ANTIOXIDANTS (TOCOPHEROL, ASCORBIC ACID), STABILIZERS (GUM ARABIC, CARAGEENAN), ADDED COLOR (BLUE 1, BLUE 2, COHINEAL, CARAMEL, CURCUMINE, PAPRIKA, BEETROOT, TITANIUM OXIDE, BETA CAROTENE), ALCOHOL.