Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, FERROUS SULFATE, NIACIN, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME], WATER, SOYBEAN OIL, CONTAINS 2% OR LESS OF EACH: YEAST, VINEGAR, SUGAR, SALT, CULTURED WHEY*, WHEY, DOUGH CONDITIONER [WHEAT FLOUR, ASCORBIC ACID, ENZYMES], SOY LECITHIN [PROCESSING AID]), LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE (CULTURED PASTEURIZED PART-SKIM MILK, SALT, ENZYMES), BUFFALO BLUE CHEESE SAUCE (WATER, BUFFALO BLUE CHEESE SEASONING [HOT SAUCE POWDER {AGED CAYENNE RED PEPPERS, DISTILLED VINEGAR, SALT, GARLIC POWDER}, MALTODEXTRIN, NATURAL FLAVOR, BUTTERMILK POWDER, CREAMER POWDER {COCONUT OIL, MALTODEXTRIN, SODIUM CASEINATE, MONO- AND DIGLYCERIDES, CITRIC ACID}, TAPIOCA MALTODEXTRIN, BLUE CHEESE POWDER {PASTEURIZED MILK, SALT, CHEESE CULTURE, ENZYMES}, MODIFIED CORN STARCH, NATURAL FLAVORS, SALT, LACTIC ACID, YEAST EXTRACT, ONION POWDER, CITRIC ACID, GUAR GUM, XANTHAN GUM, PARSLEY]), BUFFALO SEASONING ENROBED CHICKEN (CHICKEN BREAST MEAT WITH RIB MEAT [BONELESS CHICKEN BREAST WITH RIB MEAT, WATER, POTATO STARCH, SEASONING {CHICKEN BROTH, YEAST EXTRACT, SEA SALT, POTATO FLOUR, ONION POWDER, CANE SUGAR, NATURAL FLAVOR}, SEA SALT, EVAPORATED CANE SYRUP, CARAMELIZED SUGAR SYRUP], BUFFALO SEASONING [HOT SAUCE POWDER {HOT SAUCE (AGED CAYENNE RED PEPPERS, DISTILLED VINEGAR, SALT, GARLIC POWDER), MALTODEXTRIN}, SALT, SUGAR, SPICE, ONION POWDER, GARLIC POWDER, CORN STARCH, NATURAL FLAVORS {INCLUDING GRILL FLAVOR}, EXTRACTIVE OF PAPRIKA]).