Which food has less impact on blood sugar?

CHICKEN WALNUT & APPLE SALAD [DICED WHITE CHICKEN MEAT (BONELESS, SKINLESS DICED WHITE CHICKEN, WATER, RICE STARCH, VINEGAR, SEASONING [MALTODEXTRIN, YEAST EXTRACT, CHICKEN STOCK, SALT AND FLAVORS]), MAYONNAISE (SOYBEAN OIL, CORN SYRUP, WATER, EGG YOLKS, DISTILLED AND CIDER VINEGAR, SALT, MUSTARD SEED, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR), RED APPLE, CELERY, WALNUTS, DRIED CRANBERRIES (CRANBERRIES, SUGAR, SUNFLOWER OIL), RED ONION, LEMON JUICE (LEMON JUICE FROM CONCENTRATE [WATER, CONCENTRATED LEMON JUICE], SODIUM BENZOATE, SODIUM METABISULFITE AND SODIUM SULFITE [PRESERVATIVES], LEMON OIL), WHITE PEPPER, DRIED TARRAGON], SUNDRIED TOMATO & BASIL TORTILLA [ENRICHED FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, CANOLA OIL, TOMATO, ONION, GARLIC, BASIL, PAPRIKA, BEET, SALT, SOYBEAN OIL, HYDROGENATED, SOYBEAN OIL, DOUGH CONDITIONERS (MONO-AND DIGLYCERIDES, FUMARIC ACID, SODIUM METABISULFITE), LEAVENING (SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, SODIUM ALUMINUM SULFATE, CALCIUM SULFATE, CORN STARCH, MONOCALCIUM PHOSPHATE), ENZYMES, GUAR GUM, CELLULOSE GUM, ACACIA GUM, DEXTROSE, PRESERVATIVES (CALCIUM PROPIONATE, POTASSIUM SORBATE)], GREEN LEAF LETTUCE, CREAM CHEESE [PASTEURIZED MILK AND CREAM, CHEESE CULTURE, SALT, GUAR GUM, CAROB BEAN GUM, XANTHAN GUM]