Which food has less impact on blood sugar?

INGREDIENTS: TORTILLA: (ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, CORN OIL, LEAVENING [SODIUM ACID PYROPHOSPHATE, BAKING SODA), SALT, SUGAR, MONO AND DIGLYCERIDES, CULTURED WHEAT FLOUR, DISTILLED WHITE VINEGAR), FILLING: (CHICKEN COOKED WHITE CHICKEN MEAT, WATER, MODIFIED CORN STARCH, SALT, YEAST EXTRACT, CITRUS EXTRACT] CHIPOTLE PEPPER JACK CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, CHIPOTLE PEPPERS, ENZYMES, COLOR ADDED, POWDERED CELLULOSE ANTI-CAKING AGENT), NATAMYCIN ITO MAINTAIN FRESHNESS, CHEESE FLAVORED SAUCE WATER, PALM OIL, CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), TOMATO, NATURAL FLAVORS, CULTURED SKIM MILK, MALTODEXTRIN, WHEY, MODIFIED FOOD STARCH, RED PEPPER, JALAPENO, SALT, MODIFIED CELLULOSE, DELACTOSED SKIM MILK, SODIUM PHOSPHATE, XANTHAN GUM, ONION, GUAR GUM, BETA-APO-8-CAROTENAL COLOR), BETA CAROTENE (COLOR}] JALAPENO PEPPER JACK CHEESE (PASTEURIZED MILK, JALAPENO PEPPERS, CHEESE CULTURES, SALT, ENZYMES), ROASTED RED PEPPERS, MOZZARELLA CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], CORN STARCH, MODIFIED CORN STARCH, METHYLCELLULOSE, XANTHAN GUM, GUAR GUM, CHIPOTLE SEASONING [SPICES, SALT, BROWN SUGAR, MALTODEXTRIN, GARLIC POWDER, ONION POWDER, SILICON DIOXIDE [ANTI-CAKING AGENT], NATURAL FLAVOR]), WATER, VEGETABLE OIL [CANOLA, PALM], CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: CORN STARCH, ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), LEAVENING (SODIUM ACID PYROPHOSPHATE, BAKING SODA), NATURAL FLAVOR, PAPRIKA EXTRACT (COLOR), SALT, SPICES, TURMERIC EXTRACT (COLOR), YELLOW CORN FLOUR. SAUCE: (WATER, SOYBEAN OIL, RED WINE VINEGAR, GREEN POBLANO PEPPERS, MODIFIED CORN STARCH, WHEY PROTEIN CONCENTRATE, GARLIC PUREE (GARLIC, CITRIC ACID), SUGAR, BUTTERMILK POWDER [SKIM MILK, CULTURES], SALTED EGG YOLKS, SALT, DRIED EGG YOLKS (PHOSPHOLIPASE). LEMON JUICE CONCENTRATE, ARABIC GUM, DEHYDRATED JALAPENO PEPPERS, XANTHAN GUM, DEHYDRATED PARSLEY, NATURAL FLAVORS, SOY LECITHIN, LACTIC ACID POWDER).