Which food has less impact on blood sugar?

CRUST: ENRICHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, SOYBEAN OIL, YEAST, CORN SYRUP, PALM OIL, YELLOW CORNMEAL, WHEAT SEMOLINA, SUGAR, SALT, NATURAL FLAVORED OIL (SOYBEAN OIL, HYDROGENATED SOYBEAN OIL, NATURAL FLAVORS, BETA CAROTENE [COLOR]), DOUGH CONDITIONER (DATEM, WHEAT GLUTEN, SUGAR, DEXTROSE, MALTED BARLEY FLOUR, GUAR GUM, CALCIUM PYROPHOSPHATE, ASCORBIC ACID, ENZYME), SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, VITAL WHEAT GLUTEN, WHEAT PROTEIN ISOLATE, OLIVE OIL, L-CYSTEINE. TOPPINGS: CHEESES (LOW MOISTURE MOZZARELLA CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], WHITE CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES]), FULLY COOKED CHICKEN BREAST MEAT WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, CHICKEN FLAVOR [{DEHYDRATED CHICKEN BROTH, CHICKEN POWDER, NATURAL FLAVOR}, CARRAGEENAN, SALT, CORNSTARCH, SPICE]), BUFFALO STYLE SAUCE (BUFFALO WING SAUCE [DISTILLED VINEGAR, AGED CAYENNE RED PEPPERS, SALT, WATER, CANOLA OIL, PAPRIKA, XANTHAN GUM, NATURAL BUTTER TYPE FLAVOR AND GARLIC POWDER], SOYBEAN OIL, MODIFIED FOOD STARCH, XANTHAN GUM).