Which food has less impact on blood sugar?

CONFECTIONARY COATING (SUGAR, PALM KERNEL OIL, HYDROGENATED PALM KERNEL OIL, COCOA POWDER PROCESSED WITH ALKALI, SOY LECITHIN, WHEY POWDER, WHOLE MILK POWDER, TITANIUM DIOXIDE [COLOR], NONFAT DRY MILK, NATURAL AND ARTIFICIAL FLAVORS, SALT), SUGAR, EGGS, BLEACHED ENRICHED FLOUR (WHEAT FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), SHORTENING (PALM OIL, MONO- AND DIGLYCERIDES, POLYSORBATE 60), WATER, CHEESECAKE FILLING (LACTIC ACID, SALT, CREAM, SKIM MILK, XANTHAN GUM, LOCUST BEAN GUM, GUAR GUM, SUGAR, SORBITOL, WATER, DEXTROSE, CORN SYRUP, EGGS, GLYCEROL, MODIFIED CORN STARCH, NONFAT DRY MILK, CELLULOSE GEL, CELLULOSE GUM, NATURAL FLAVOR, MONOGLYCERIDES, POTASSIUM SORBATE [PRESERVATIVE], TITANIUM DIOXIDE [COLOR]), SOYBEAN OIL, DECORETTES (SUGAR, CORN STARCH, PALM KERNEL OIL, PALM OIL, COCOA, SOY LECITHIN, DEXTRIN, CONFECTIONER'S GLAZE, YELLOW 6 LAKE, YELLOW 5 LAKE, NATURAL AND ARTIFICIAL FLAVORS, CARNAUBA WAX), HIGH FRUCTOSE CORN SYRUP, PUMPKIN PUREE, CONTAINS 2% OR LESS OF THE FOLLOWING: COCOA POWDER, MODIFIED CORN STARCH, WHEY, LEAVENING (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, MONOCALCIUM PHOSPHATE), CORN STARCH, STRAWBERRY FILLING (CORN SYRUP, STRAWBERRIES, HIGH FRUCTOSE CORN SYRUP, WATER, SUGAR, MODIFIED CORN STARCH, ORANGE PULP, DEXTROSE, CITRIC ACID, RED 40, SODIUM BENZOATE [PRESERVATIVE], POTASSIUM SORBATE [PRESERVATIVE], CARAMEL COLOR, SALT, ARTIFICIAL FLAVOR), SALT, GLYCERIN, CORN SYRUP, MONO- AND DIGLYCERIDES, NATURAL AND ARTIFICIAL FLAVORS, SPICES, SODIUM BICARBONATE, WHEAT GLUTEN, CHOCOLATE LIQUOR, SODIUM STEAROYL LACTYLATE, CULTURED WHEAT FLOUR, VINEGAR, YELLOW 5 LAKE, YELLOW 6 LAKE, XANTHAN GUM, GUAR GUM, POTASSIUM SORBATE (PRESERVATIVE).