Which food has less impact on blood sugar?

TORTILLA [ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, CANOLA OIL, CONTAINS 2% OR LESS OF THE FOLLOWING; SALT, DOUGH CONDITIONERS (MONO & DIGLYCERIDES, SODIUM METABISULFITE), LEAVENING (SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, SODIUM ALUMINUM SULFATE, MONOCALCIUM PHOSPHATE, FUMARIC ACID), CALCIUM PROPIONATE, AND POTASSIUM SORBATE (PRESERVATIVES), CALCIUM SULFATE, CORN STARCH, SOYBEAN OIL, HYDROGENATED SOYBEAN OIL, GUAR GUM, CARBOXYMETHYCELLULOSE, ACACIA GUM, CORN SUGAR], CHICKEN (CHICKEN BREAST, WATER, CONTAINS 2% OR LESS OF THE FOLLOWING: SOY PROTEIN CONCENTRATE, SODIUM LACTATE, SALT, MODIFIED CORN STARCH, CARRAGEENAN, SODIUM PHOSPHATE), BUTTERMILK RANCH (SOYBEAN OIL, BUTTERMILK [CULTURED LOW FAT MILK, GUAR GUM, CARRAGEENAN, LOCUST BEAN GUM, SALT], WATER, CORN SYRUP, FLAVOR [SALT, MONOSODIUM GLUTAMATE, MALTODEXTRIN, GARLIC, SPICES, ONION, CARRAGEENAN), EGG YOLK, HIGH FRUCTOSE CORN SYRUP, DISTILLED VINEGAR, SODIUM ACID SULFATE, TORULA YEAST, POTASSIUM SORBATE AND SODIUM BENZOATE [PRESERVATIVES], XANTHAN GUM, GUAR GUM, SODIUM ALGINATE, CALCIUM DISODIUM EDTA [ADDED TO PROTECT FLAVOR]), AMERICAN CHEESE (MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATO VEGETABLE COLOR, CREAM SODIUM CITRATE, COLOR ADDED, SORBIC ACID AS A PRESERVATIVE, SOY LECITHIN), BACON BITS (PORK, WATER, SALT, TURBANADO SUGAR, SEASONING (CULTURED CELERY JUICE POWDER, SEA SALT)), MODIFIED CORN STARCH, DEXTROSE.