Which food has less impact on blood sugar?

DOUGH: ENRICHED FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MILK VITAMIN D ADDED (MILK, VITAMIN D), WATER, SUGAR, SWEET CREAM BUTTER (CREAM [MILK], NATURAL FLAVOR), SOYBEAN OIL, YEAST, SEA SALT, DOUGH CONDITIONER BLEND (WHEAT FLOUR, MALTED BARLEY FLOUR, ASCORBIC ACID, ENZYMES). FILLING: CANDY (MILK CHOCOLATE [SUGAR, COCOA BUTTER, CHOCOLATE, SKIM MILK, LACTOSE, MILKFAT, SOY LECITHIN, ARTIFICIAL FLAVOR], PEANUTS, CORN SYRUP, SUGAR, PALM OIL, SKIM MILK, LACTOSE, SALT, EGG WHITES, ARTIFICIAL FLAVOR), CREAMY FILLING (WATER, CORN SYRUP, SUGAR, FOOD STARCH-MODIFIED, PALM OIL, CONTAINS 2% OR LESS OF THE FOLLOWING: CELLULOSE GEL AND GUM, NATURAL AND ARTIFICIAL FLAVOR, SALT, GLUCONO DELTA-LACTONE, CARRAGEENAN, TITANIUM DIOXIDE [COLOR], POTASSIUM SORBATE [PRESERVATIVE], XANTHAN GUM, POLYSORBATE 60, YELLOW 5 [COLOR], YELLOW 6 [COLOR]), FOOD STARCH-MODIFIED. CREAM CHEESE ICING: (SUGAR, WATER, CREAM CHEESE POWDER [CREAM CHEESE {PASTEURIZED MILK AND CREAM, CHEESE CULTURE, SALT, CAROB BEAN GUM}, NONFAT MILK, SODIUM PHOSPHATE], CONTAINS 2% OR LESS: FOOD STARCH-MODIFIED, HYDROGENATED COCONUT OIL, BUTTER [CREAM, NATURAL FLAVORS], LACTIC ACID, SALT, SOY LECITHIN, XANTHAN GUM, COLOR ADDED, PRESERVED WITH POTASSIUM SORBATE).