Which food has less impact on blood sugar?

SPINACH TORTILLA (ENRICHED BLEACHED WHEAT FLOUR [FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, VEGETABLE SHORTENING [SOYBEAN OIL, VEGETABLE MONO & DIGLYCERIDES, TOCOPHEROLS {VITAMIN E}, AND VITAMIN C PALMITATE {AS ANTIOXIDANTS}]. CONTAINS LESS THAN 2% OF EACH OF THE FOLLOWING: SPINACH SEASONING [PARSLEY, SPINACH POWDER, FD&C YELLOW #5 AND BLUE #1, SALT], LEAVENING [SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE], MONOGLYCERIDES, POTASSIUM SORBATE, FUMARIC ACID, CALCIUM PROPIONATE, GUAR GUM, XANTHAN GUM, SODIUM METABISULFITE, MICROCRYSTALLINE CELLULOSE, DICALCIUM PHOSPHATE), EVERROAST OVEN ROASTED CHICKEN BREAST (CHICKEN BREAST, WATER, LESS THAN 1.5% OF SALT, MALTODEXTRIN, SUGAR, SODIUM PHOSPHATE, DEXTROSE, FLAVOR, CHICKEN BROTH. COATED WITH: BROWN SUGAR, CARROT, ONION, MALTODEXTRIN, SEA SALT, DEXTROSE, SPICES, GARLIC, CELERY, PARSLEY, 2% OR LESS OF CARROT POWDER, CANOLA OIL, NATURAL FLAVOR, CHICKEN BROTH, SALT, FLAVORING), GREEN LEAF LETTUCE, CAESAR ROMANO DRESSING (CANOLA OIL, WATER, ROMANO CHEESE [MILK, CULTURE, SALT, ENZYMES], EGG YOLK, DISTILLED VINEGAR, SALT, DRIED GARLIC, DIJON MUSTARD [DISTILLED VINEGAR, WATER, MUSTARD SEED, WHITE WINE, CITRIC ACID, TURMERIC, TARTARIC ACID, SPICES], SUGAR, LEMON JUICE CONCENTRATE, ANCHOVIES, MUSTARD FLOUR, SPICE, XANTHAN GUM), WHIPPED CREAM CHEESE (PASTEURIZED MILK AND CREAM, SKIM MILK, WHEY PROTEIN CONCENTRATE, WHEY, MODIFIED FOOD STARCH, SALT, CAROB BEAN GUM, XANTHAN GUM, GUAR GUM, LACTIC ACID, NATAMYCIN [A NATURAL MOLD INHIBITOR], VITAMIN A PALMITATE, CHEESE CULTURE), PECORINO ROMANO (PECORINO ROMANO CHEESE [SHEEP'S MILK, CULTURES, SALT AND ENZYMES], ROMANO CHEESE (MILK, CULTURES, SALT AND ENZYMES]).