Which food has less impact on blood sugar?

SUN DRIED TOMATO & BASIL TORTILLA [ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, CANOLA OIL, SALT, MONO AND DIGLYCERIDES, 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, SODIUM METABISULFITE, DEHYDRATED TOMATO, PAPRIKA, DEHYDRATED ONION, DEHYDRATED GARLIC, DRIED BEET, BASIL, GUAR GUM, CARBOXYMETHYLCELLULOSE, ACACIA GUM, CORN SUGAR], GENOA SALAMI [PORK, SALT, DEXTROSE, FLAVORINGS, LACTIC ACID STARTER CULTURE, SODIUM NITRITE, SPICE, SODIUM ASCORBATE, BHA, BHT, CITRIC ACID], CAPOCOLLA HAM [FRESH HAM, WATER, SALT, SUGAR, DEXTROSE, SPICE EXTRACTS, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, FENNEL, ANISE, SODIUM NITRITE, COATED WITH PAPRIKA, SPICES, GARLIC POWDER, SUGAR], BLACK FOREST SMOKED HAM WITH NATURAL JUICES [FRESH HAM, WATER, SEA SALT, ORGANIC SUGAR, DEXTROSE, SODIUM PHOSPHATE, SODIUM ASCORBATE, SODIUM NITRITE, NATURAL SMOKE FLAVOR, SPICE EXTRACTS], PROVOLONE CHEESE [CULTURED PASTEURIZED MILK, SALT, ENZYMES, SMOKE FLAVOR], HERB CREAM CHEESE [CREAM CHEESE (PASTEURIZED MILK AND CREAM, CHEESE CULTURE, SALT, STABILIZERS [CAROB BEAN AND/OR XANTHAN AND/OR GUAR GUMS]), LEMON JUICE, GARLIC, DRIED OREGANO, BLACK PEPPER, SALT, DRIED BASIL]