Which food has less impact on blood sugar?

LAVASH FLATBREAD [ENRICHED WHEAT FLOUR ([WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR), WATER, BAKING POWDER (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE), CALCIUM PROPIONATE, SOYBEAN OIL, 1-CYSTEINE, ASCORBIC ACID, ENZYMES, MICROCRYSTALLINE CELLULOSE, CORN STARCH, SALT, SUGAR, YEAST], HAM WITH NATURAL JUICES [HAM, WATER, SUGAR, SALT, POTASSIUM LACTATE, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE, SODIUM PHOSPHATE, CARAMEL COLOR], PROVOLONE CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], GREEN LEAF LETTUCE, CREAM CHEESE [PASTEURIZED MILK AND CREAM, CHEESE CULTURE, SALT, GUAR GUM, CAROB BEAN GUM, XANTHAN GUM], ITALIAN DRESSING [WATER, DISTILLED VINEGAR, CORN SYRUP, SOYBEAN OIL, SALT, XANTHAN GUM, GARLIC, DEHYDRATED BELL PEPPERS (GREEN, RED), DEHYDRATED ONION, SODIUM BENZOATE AND POTASSIUM SORBATE AS PRESERVATIVES, SPICES, EXTRACTIVES OF ANNATTO AND TURMERIC (COLOR)], GENOA SALAMI [PORK, SALT, DEXTROSE, FLAVORINGS, LACTID ACID STARTER CULTURE, SODIUM NITRITE, SPICES, VITAMIN C (SODIUM ASCORBATE), WINE, BHA, BHT, CITRIC ACID]