Which food has less impact on blood sugar?

LEMON FLAVORED FILLING (WATER, SUGAR, CORN SYRUP, MODIFIED CORN STARCH, PALM OIL, SALT, SUNFLOWER LECITHIN, MONOGLYCERIDES, NATURAL FLAVOR, CITRIC ACID, TOCOPHEROL [VITAMIN E], COLORED WITH [VITAMIN A, BETA-CAROTENE], LEMON JUICE SOLIDS, PRESERVATIVE [SODIUM PROPIONATE, POTASSIUM SORBATE], SODIUM CITRATE, POLYSORBATE 60, XANTHAN GUM, LOCUST BEAN GUM, GUAR GUM, YELLOW 5), CREAM CHEESE (MILK, CREAM, SALT, CAROB BEAN GUM, CHEESE CULTURE), SUGAR, SOUR CREAM (CREAM, MICROBIAL RENNET), WATER, ENRICHED UNBLEACHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED RON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), HIGH FRUCTOSE CORN SYRUP, CONTAINS LESS THAN 2% OF THE FOLLOWING: HYDROGENATED COCONUT OIL, HYDROGENATED PALM KERNEL OL, MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT, MONO-AND DIGLYCERIDES, ANNATTO [FOR COLOR], PRESERVATIVE [CALCIUM DISODIUM EDTA], ARTIFICIAL FLAVOR, VITAMIN A PALMITATE), GRAHAM FLOUR, PALM OIL, CORN SYRUP, NATURAL AND ARTIFICIAL FLAVOR, BROWN SUGAR, MODIFIED CORN STARCH, HONEY, SODIUM CASEINATE, SALT, CELLULOSE GEL, BAKING SODA, SORBITAN MONOSTEARATE, POLYSORBATE 60, CARBOHYDRATE GUM, MONOGLYCERIDES, CELLULOSE GUM, POLYGLYCERATE 60 (ETHOXYLATED MONOAND DIGLYCERIDES), GUAR GUM, POLYSORBATE 80, YELLOW 5, CITRIC ACID, RED 40, YELLOW 6, BETA-CAROTENE COLOR.