Which food has less impact on blood sugar?

CHICKEN WITH PESTO SAUCE (GRILLED CHICKEN BREAST STRIPS WITH RIB MEAT (CHICKEN BREAST WITH RIB MEAT, WATER, CONTAINS 2% OR LESS OF: SEASONING (SALT, SUGAR, SPICE EXTRACTIVES ON A DEXTROSE CARRIER), ISOLATED SOY PROTEIN, SODIUM PHOSPHATES, SALT, DEXTROSE), BASIL PESTO SAUCE (BASIL, CANOLA OIL, WATER, PARMESAN CHEESE [PASTEURIZED PART SKIM COW'S MILK CHEESE CULTURES, SALT, ENZYMES], DEHYDRATED GARLIC, SALT), CHAMPAGNE VINEGAR (WHITE WINE VINEGAR)), FLOUR TORTILLA (BLEACHED WHEAT FLOUR, WATER, SHORTENING [INTERESTERIFIED SOYBEAN OIL, WITH DISTILLED MONOGLYCERIDES ADDED], RICE FLOUR, WHEAT PROTEIN, THE FOLLOWING LESS THAN 2% - SEA SALT, WHEAT STARCH, ENZYMES (WHEAT STARCH, MICROCRYSTALLINE CELLULOSE), XANTHAN GUM, CALCIUM SULFATE, BAKING POWDER [SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE], PRESERVATIVE BLEND [CALCIUM PROPIONATE, POTASSIUM SORBATE, AND CITRIC ACID], SUGAR, CELLULOSE GUM, YEAST, SORBITAN MOSTEARATE, ASCORBIC ACID, DOUGH CONDITIONER [SODIUM METABISULFITE]), LETTUCE, PARMESAN CHEESE (PASTEURIZED PART-SKIM COW'S MILK, CHEESE CULTURES, SALT, ENZYMES, POWDERED CELLULOSE ADDED TO PREVENT CAKING, NATAMYCIN (MOLD INHIBITOR)).