Which food has less impact on blood sugar?

TOMATO BASIL TORTILLA (ENRICHED BLEACHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, VEGETABLE SHORTENING [INTERESTERIFIED SOYBEAN OIL, HYDROGENATED SOYBEAN OIL AND OR PALM OIL], SEASONING [TOMATO POWDER, SPICE, SALT, SUGAR, RED BELL PEPPER, SUN DRIED TOMATO, SOYBEAN OIL, AUTOLYZED YEAST EXTRACT, ONION POWDER, GARLIC POWDER, CITRIC ACID, NATURAL AND ARTIFICIAL FLAVOR, EXTRACTIVES OF PAPRIKA, SULFITING AGENTS], CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: SALT, LEAVENING [SODIUM BICARBONATE, SODIUM ALUMINUM SULFATE, CORN STARCH, MONOCALCIUM PHOSPHATE AND OR SODIUM ACID PYROPHOSPHATE, CALCIUM SULFATE], DISTILLED MONOGLYCERIDES, ENZYMES, WHEAT STARCH, CALCIUM CARBONATE, ANTIOXIDANTS [TOCOPHEROLS, ASCORBIC ACID], CELLULOSE GUM, DOUGH CONDITIONERS [FUMARIC ACID, SODIUM METABISULFATE], CALCIUM PROPIONATE AND SORBIC ACID [TO PRESERVE FRESHNESS]), WHITE ALBACORE TUNA (WHITE TUNA, WATER, SALT), ROMAINE LETTUCE, TOMATOES, MAYONNAISE (SOYBEAN OIL, WATER, WHOLE EGGS AND EGG YOLKS, VINEGAR, SALT, SUGAR, LEMON JUICE [FROM CONCENTRATE], OLEORESIN PAPRIKA, NATURAL FLAVORS, CALCIUM DISODIUM EDTA [USED TO PROTECT QUALITY]), CELERY, DIJON MUSTARD (DISTILLED VINEGAR, WATER, MUSTARD SEED, SALT, WHITE WINE, CITRIC ACID, TURMERIC, TARTARIC ACID, SPICES), LEMON JUICE (CONCENTRATED LEMON JUICE [FILTERED WATER, LEMON JUICE CONCENTRATE], SODIUM BISULFITE AND SODIUM BENZOATE [PRESERVATIVES], NATURAL LEMON OIL), ONION*, SOYBEAN OIL, GARLIC SALT (SALT, DEHYDRATED GARLIC, SILICONE DIOXIDE [PREVENTS CAKING]), SALT, SPICE, TABASCO SAUCE (DISTILLED VINEGAR, RED PEPPER, SALT), XANTHAN AND GUAR GUM (STANDARDIZED WITH DEXTROSE).