Which food has less impact on blood sugar?

CHILI AND ONION FLOUR TORTILLA (ENRICHED UNBLEACHED FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, HOUSE BLEND [CULTURED WHEAT, MONO- AND DIGLYCERIDES, SALT, SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, SUGAR, CITRIC ACID, YEAST, GUAR GUM AND ENZYMES], SOYBEAN OIL, ONION POWDER, TORTILLA FRESHNESS [WHEAT FLOUR, MONOGLYCERIDES, ENZYMES], RED CHILIES, DISTILLED WHITE VINEGAR, ISOLATED OAT PRODUCT, FUMARIC ACID AND POTASSIUM SORBATE [AS PRESERVATIVES], CALCIUM PROPIONATE [AS A PRESERVATIVES], CELLULOSE GUM), ICEBERG LETTUCE, CHICKEN BREAST WITH RIB MEAT (CHICKEN BREAST WITH RIB MEAT, WATER, SODIUM LACTATE, SEASONING [SALT, SUGAR, ARTIFICIAL CHICKEN FLAVOR {WITH HYDROLYZED CORN PROTEIN, AUTOLYZED YEAST EXTRACT, THIAMINE HYDROCHLORIDE, DISODIUM INOSINATE, DISODIUM GUANYLATE}, DEXTROSE, NATURAL FLAVORINGS], MODIFIED POTATO STARCH, DEXTROSE, POTASSIUM LACTATE, SODIUM PHOSPHATE, SODIUM DIACETATE), CORN, BUFFALO SAUCE (CAYENNE PEPPER SAUCE [AGED CAYNENNE RED PEPPERS, DISTILLED VINEGAR, WATER, SALT, GARLIC POWDER], CLARIFIED BUTTER OIL [MILK], XANTHAN GUM, WATER, POLYSORBATE 60), MILD CHEDDAR CHEESE (CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO {VEGETABLE COLOR}], POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [A NATURAL MOLD INHIBITOR]), CARROTS, CELERY.