Which food has less impact on blood sugar?

CHEESE FILLING (CHEESE [SKIMMED MILK, MILK PROTEIN CONCENTRATE, SKIMMED MILK CONCENTRATE, CULTURED SKIM MILK, RENNET), SUGAR, CREAM CHEESE [NONFAT MILK, CREAM, SALT, STARTER CULTURE), WATER, MODIFIED STARCH, CREAM POWDER AND NONFAT DRY MILK BLEND (CREAM POWDER, SKIM MILK POWDER), WHEAT STARCH, DRIED EGG WHITES, METHYLCELLULOSE, XANTHAN GUM, NATURAL FLAVOR, CITRIC ACID [A PRESERVATIVE), LACTIC ACID, CALCIUM LACTATE, SUNFLOWER OIL, SILICON DIOXIDE, SALT), FLOUR (WHEAT FLOUR, ASCORBIC ACID (A DOUGH CONDITIONER]), MARGARINE (PALM OIL, RAPESEED OIL, WATER, MONO-AND DIGLYCERIDES, SALT, CITRIC ACID, MOLASSES, NATURAL FLAVOR, VITAMIN A PALMITATE), WATER, EGG, YEAST, SUGAR, BRINE (SEA SALT, WATER, POTASSIUM IODATE), WHEAT FLOUR, DOUGH CONDITIONER BLEND (VEGETABLE OIL [FROM PALM, CANOLA AND SUNFLOWER), ASCORBIC ACID, ENZYMES).