Which food has less impact on blood sugar?

CRUST: ENRICHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, SOYBEAN OIL, SEASONED BREAD CRUMBS (ENRICHED WHEAT FLOUR, SALT, SUGAR, YEAST, SPICES, SOYBEAN OIL, DEHYDRATED PARSLEY), YEAST, CORN SYRUP, PALM OIL, YELLOW CORNMEAL, SEMOLINA, DOUGH CONDITIONER BLEND (DATEM, WHEAT GLUTEN, SUGAR, DEXTROSE, WHEAT FLOUR, MALTED BARLEY FLOUR, GUAR GUM, ACTIVE MALT FLOUR, CALCIUM PYROPHOSPHATE, ASCORBIC ACID, ENZYME), SUGAR, SALT, NATURAL FLAVORED OIL (SOYBEAN OIL, HYDROGENATED SOYBEAN OIL, NATURAL FLAVORS, BETA CAROTENE [COLOR]), PARMESAN CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), VITAL WHEAT GLUTEN, WHEAT PROTEIN ISOLATE, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, 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]), RANCH SAUCE (WATER, RANCH SEASONING [NONFAT MILK, MODIFIED CORN STARCH, MALTODEXTRIN, SALT, BUTTERMILK, ONION POWDER, SPICES, DISODIUM INOSINATE AND DISODIUM GUANYLATE, GARLIC POWDER, SOY LECITHIN, XANTHAN GUM, CARRAGEENAN, FULLY REFINED SOYBEAN OIL {ANTI-DUSTING AGENT}], SOYBEAN OIL, DISTILLED VINEGAR, BUTTERMILK POWDER), FULLY COOKED SKINLESS BONELESS GRILLED GARLIC HERB DICED CHICKEN BREAST MEAT WITH RIB MEAT (SKINLESS BONELESS CHICKEN BREAST FILLETS WITH RIB MEAT, WATER, SEASONING [CORN SYRUP SOLIDS, SALT, SUGAR, GARLIC POWDER, SPICES, HYDROLYZED CORN, SOY AND WHEAT GLUTEN PROTEIN, PARSLEY, ONION POWDER, NATURAL FLAVOR, SOYBEAN OIL), ISOLATED SOY PROTEIN PRODUCT [ISOLATED SOY PROTEIN, MODIFIED FOOD STARCH, UNMODIFIED CORN STARCH, CARRAGEENAN, WITH LESS THAN 2% SOY LECITHIN), ROMANO CHEESE [MADE FROM PASTEURIZED PART-SKIM COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], SODIUM PHOSPHATES), FULLY COOKED BACON TOPPING (BACON CURED WITH: WATER, SALT, SODIUM NITRITE. MAY CONTAIN SUGAR, DEXTROSE, BROWN SUGAR, SMOKE FLAVORING, FLAVORINGS, POTASSIUM CHLORIDE, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM ASCORBATE).