Which food has less impact on blood sugar?

DARK CHOCOLATE (CHOCOLATE LIQUOR, SUGAR, COCOA BUTTER, SOY LECITHIN, NATURAL VANILLA FLAVOR), MILK CHOCOLATE (SUGAR, COCOA BUTTER, CHOCOLATE LIQUOR, WHOLE MILK POWDER, SOY LECITHIN, NATURAL VANILLA FLAVOR), WHITE CHOCOLATE (SUGAR, COCOA BUTTER, WHOLE MILK POWDER, SOY LECITHIN, NATURAL VANILLA FLAVOR), HAZELNUT FILLING (SUGAR, HAZELNUTS, VEGETABLE FAT [PALM, PALM KERNEL], SKIMMED MILK POWDER, FAT REDUCED COCOA POWDER, SOY LECITHIN, NATURAL VANILLA FLAVOR), MILK CREME FILLING (SUGAR, VEGETABLE FATS [PALM, PALM KERNEL], WHEY POWDER, FAT REDUCED COCOA POWDER, SOY LECITHIN, NATURAL VANILLA FLAVOR), DARK FILLING (VEGETABLE FAT [PALM, PALM KERNEL OIL), SUGAR, FAT REDUCED COCOA POWDER, FULL CREAM MILK POWDER, SOY LECITHIN), CREAM (HEAVY CREAM, MILK, CONTAINS LESS THAN 0.5% OF: MONO AND DIGLYCERIDES, POLYSORBATE 80, CARRAGEENAN), SUGAR, CORN SYRUP, WHITE CHOCOLATE FLAVORED COATING (VEGETABLE OILS AND FATS [FATS {PALM KERNEL, PALM}, OILS {SUNFLOWER}], SUGAR, SKIMMED MILK POWDER, SUNFLOWER LECITHIN, NATURAL VANILLA FLAVOR), BUTTER (CREAM, NATURAL FLAVOR), PASSION FRUIT PURE (WATER, PASSION FRUIT, SUGAR, PECTIN, ASCORBIC ACID, XANTHAN GUM, TARA GUM), SOYBEAN OIL, FREEZE DRIED STRAWBERRY POWDER (STRAWBERRY, SILICA [ANTI-CAKING]), INVERT SYRUP, VANILLA PASTE (SUGAR, WATER, VANILLA EXTRACT, VANILLA BEAN SPECKS, GUM TRAGACANTH), HIMALAYAN PINK SEA SALT, SEA SALT, MOCHA ESPRESSO COFFEE PASTE (COFFEE, CANOLA OIL, SUGAR, SOY LECITHIN), CITRIC ACID, NATURAL STRAWBERRY FLAVOR, NATURAL AND ARTIFICIAL PASSION FRUIT FLAVOR (SOYBEAN OIL), YELLOW GEL COLORING (WATER, HIGH FRUCTOSE CORN SYRUP, GLYCERIN, YELLOW 5, SUGAR, MODIFIED CORN STARCH, CARRAGEENAN, MALTODEXTRIN, CORN SUGAR, POTASSIUM SORBATE [PRESERVATIVE], XANTHAN GUM, CITRIC ACID), ROSE OIL EXTRACT.