Which food has less impact on blood sugar?

FLATBREAD (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, MOZZARELLA CHEESE [CULTURED MILK, SALT, ENZYMES], SOYBEAN OIL, PARMESAN AND ROMANO MADE FROM COW'S MILK CHEESE BLEND [CULTURED MILK, SALT, ENZYMES], SUGAR, ISOLATED OAT PRODUCT, YEAST, DOUGH CONDITIONER [GUAR GUM, CALCIUM CARBONATE, DATEM, WHEAT FLOUR, ASCORBIC ACID, ENZYMES], SALT, OREGANO), COOKED CHICKEN MESQUITE FLAVORED WHITE MEAT STRIPS (CHICKEN WHITE MEAT, WATER, SEASONING [SALT, FLAVORINGS, MALTODEXTRIN, MODIFIED CORN STARCH, SUGAR, AUTOLYZED YEAST EXTRACT, FLAVOR {MALTODEXTRIN, SMOKE FLAVOR}, SPICES, CARAMEL COLOR AND CITRIC ACID], ISOLATED SOY PROTEIN, MODIFIED RICE STARCH, CHICKEN FLAVOR [DEHYDRATED CHICKEN BROTH, CHICKEN POWDER, FLAVOR, SALT], SODIUM PHOSPHATES), WATER, CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO [COLOR]), LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), POBLANO PEPPERS, RED PEPPERS, NACHO CHEESE SEASONING (DEHYDRATED CHEDDAR CHEESE [{PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES}, WHEY, SALT AND DISODIUM PHOSPHATE], DEHYDRATED WHEY, DEHYDRATED CREAMER [SUNFLOWER OIL, CORN SYRUP SOLIDS, SODIUM CASEINATE, MONO AND DIGLYCERIDES, SOY LECITHIN], MODIFIED CORN STARCH, NONFAT DRY MILK, DEHYDRATED BUTTER FLAVOR [WHEY, BUTTER OIL, CORN SYRUP SOLIDS, SALT, GUAR GUM, ANNATTO AND TURMERIC], DEHYDRATED PARMESAN & ROMANO CHEESE [WHOLE MILK, SALT, CULTURES, ENZYMES], DIPOTASSIUM PHOSPHATE, YEAST EXTRACT, LACTIC ACID, POTASSIUM CHLORIDE, DEHYDRATED ONION, DEHYDRATED GARLIC, XANTHAN GUM, DEHYDRATED JALAPENO PEPPER, EXTRACTIVE OF PAPRIKA, AND OLEORESIN TURMERIC), FIRE ROASTED ONIONS.