Which food has less impact on blood sugar?

CRUST: WHEAT FLOUR, WATER, SOYBEAN OIL, DEXTROSE, YEAST, SALT, LEAVENING (STARCH, SODIUM ALUMINUM PHOSPHATE, SODIUM BICARBONATE), CORN MEAL, DOUGH CONDITIONER (L-CYSTEINE). TOPPINGS: CHEESES (LOW MOISTURE PART-SKIM MOZZARELLA CHEESE [PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES], BLUE CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, PENICILLIUM ROQUEFORTII, NATAMYCIN, ANTICAKING {CELLULOSE}]), 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), BUFFALO STYLE FULLY COOKED LIGHTLY BREADED SKINLESS BONELESS DICED CHICKEN BREAST MEAT WITH RIB MEAT (SKINLESS BONELESS CHICKEN BREAST FILLETS WITH RIB MEAT, SAUCE [AGED CAYENNE RED PEPPERS, DISTILLED VINEGAR, WATER, SALT, NATURAL FLAVOR, GARLIC POWDER], WATER, SEASONING [RICE FLOUR, SALT, DEHYDRATED GARLIC, EXTRACTIVES OF PAPRIKA, SPICE, SPICE EXTRACTIVES], ISOLATED SOY PROTEIN PRODUCT [ISOLATED SOY PROTEIN, MODIFIED FOOD STARCH, UNMODIFIED CORN STARCH, CARRAGEENAN, WITH LESS THAN 2% SOY LECITHIN], SODIUM PHOSPHATES, NATURAL FLAVOR, LIGHTLY BREADED WITH WHEAT FLOUR, MODIFIED CORN STARCH, DEXTROSE, CARAMEL COLOR, PEPPER SAUCE [RED PEPPER, DISTILLED VINEGAR, SALT], PAPRIKA EXTRACT ([COLOR]), GREEN ONIONS, PARSLEY.