Which food has less impact on blood sugar?

, ICING SUGAR, PUMPKIN, BLEACHED ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, ASCCORBIC ACID (ADDED AS A DOUGH CONDITIONER), THIAMINE MONONITRATE, RIBOFLAVIN, ENZYME, FOLIC ACID) GRANULATED CANE SUGAR, VEGETABLE SHORTENING (CANOLA OIL, PALM OIL, SOYBEAN OIL, MODIFIED PALM AND PALM KERNEL OILS, MONOGLYCERIDES, POLYSORBATE 60), CREAM CHEESE (MILKFAT, NONFAT MILK VEGETABLE MONOGLYCERIDES, SOY LECITHIN, NATURAL FLAVOR, ANNATTO EXTRACT (COLORI, TURMERIC (ADDED FOR COR PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE, CALCIUM SULFATE, SALT, GLUCZE STRIP BACTERIAL CULTURE, SALT, GUAR GUM, LOCUST BEAN GUM, WHEY), WATER, LIQUID WHOLE EGG, VEGETABLE OILS (CANOLA, PALM KERNEL, SOY), MARGARINE (SOYBEAN OIL, PALM OIL, WATER, SALT, WHEY POWDER (MILK, VEGETABLE MONOGLYCERIDES, SOY LECITHIN, NATURAL FLAVOR, ANNATTO EXTRACT [COLOR], TURMERIC [ADDED FOR COLOR VITAMIN A PALMITATE, VITAMIN D3), FOOD STARCH-MODIFIED, BAKING POWDER (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE, CALCIUM SULPHATE), SALT, GLUCOSE SYRUP, NATURAL AND ARTIFICIAL FLAVOR, BAKING SODA, WHEY (MILK), CINNAMON, RICE STARCH, CITRUS FIBER, GINGER, DEXTROSE, NON FAT DRY MILK, CLOVES, NUTMEG, GUM ARABIC, CELLULOSE GUM, XANTHAN GUM (CANLA PALMAS CITRUS FIBER, GINGER, DEXTROSE, NONFAT DRY MILK, CLOVES, NUTMEG, GUM ARABIC, CELLULOSE GUM, XANTHAN GUM BLACKSTRAP MOLASSES, COCOA BUTTER, SOY LECITHIN (AN EMULSIFIER), WHOLE DRY MILK