Which food has less impact on blood sugar?

TORTILLA (ENRICHED WHEAT FLOUR [BLEACHED WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, SOYBEAN OIL, GLYCERINE, BAKING POWDER [SODIUM ACID PYROPHOSPHATE, BICARBONATE SODA, CORN STARCH, MONOCALCIUM PHOSPHATE], SALT, SUGAR, YEAST, DOUGH CONDITIONER [CALCIUM SULFATE, L-CYSTEINE HYDROCHLORIDE, ASCORBIC ACID]), FILLING (SAUCE [WATER, YELLOW ONIONS, DICED TOMATOES (DICED TOMATOES, TOMATO JUICE, CITRIC ACID, CALCIUM CHLORIDE), GREEN BELL PEPPERS, RED BELL PEPPERS, FIRE ROASTED GREEN CHILES (GREEN CHILE PEPPERS, CITRIC ACID), CHICKEN BASE (CHICKEN MEAT WITH NATURAL JUICES, SALT, SUGAR, CORN MALTODEXTRIN, YEAST EXTRACT, CHICKEN FAT, ONION POWDER, TURMERIC, NATURAL FLAVORS, SPICE EXTRACTIVES), CHEESE FLAVOR (CHEDDAR CHEESE FLAVOR [MILK, SALT, ENZYMES, CULTURES], FLAVORS [CONTAINS AUTOLYZED YEAST], MALTODEXTRIN [CORN], SALT), WHEY POWDER (MILK), MODIFIED FOOD STARCH, SALT, DEHYDRATED GARLIC, MALTODEXTRIN (POTATO), SPICE, CHILI PEPPER POWDER (CHILI PEPPERS, SPICES, SALT, GARLIC POWDER, ETHOXYQUIN), GROUND RED PEPPER, YEAST EXTRACT, SPICES], CHARBROILED SEASONED CHICKEN MEAT [CHICKEN MEAT, WATER, SALT, CORN OIL, CHICKEN BROTH, PAPRIKA, POTASSIUM PHOSPHATE, DEHYDRATED GARLIC, CARRAGEENAN, SPICES, LEMON JUICE CONCENTRATE, SOY LECITHIN], CHEESE BLEND [PART-SKIM MOZZARELLA CHEESE (CULTURED PART-SKIM MILK, SALT, ENZYMES), MODIFIED FOOD STARCH, SKIM MILK], MILD CHEDDAR CHEESE CULTURED MILK, SALT, ENZYMES, ANNATTO (COLOR)], GREEN CHILE PEPPERS [CHILE PEPPERS, CITRIC ACID], MONTEREY JACK CHEESE [CULTURED MILK, SALT, ENZYMES], CHEESE SAUCE [WATER, CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO COLOR), MODIFIED CORN STARCH, CREAM CHEESE (PASTEURIZED CULTURED MILK AND CREAM, SALT, STABILIZERS [XANTHAN, LOCUST BEAN AND GUAR GUMS]), CANOLA OIL, CONTAINS LESS THAN 2% OF NONFAT DRY MILK, WHEY, SODIUM PHOSPHATE, SALT, CORN STARCH, LACTIC ACID, CELLULOSE GUM, BUTTER OIL, SUGAR, YEAST EXTRACT, PAPRIKA EXTRACT (COLOR), NATURAL FLAVORS, ANNATTO EXTRACT (COLOR)], MODIFIED TAPIOCA STARCH, STABILIZER [CORN STARCH, METHYLCELLULOSE, EGG WHITE POWDER, XANTHAN GUM, GUAR GUM], ENRICHED WHEAT FLOUR [BLEACHED WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID]).