Which food has less impact on blood sugar?

CHICKEN CRANBERRY SALAD (CHICKEN [CHICKEN BREAST {CHICKEN BREASTS, CONTAINS UP TO 2% RETAINED WATER}, KOSHER SALT {SALT, YELLOW PRUSSIATE OF SODA}, BLACK PEPPER], MAYONNAISE [SOYBEAN OIL, DISTILLED VINEGAR, EGG YOLK, HIGH FRUCTOSE CORN SYRUP, CONTAINS LESS THAN 2% OF SALT, WATER, MUSTARD SEED, CALCIUM DISODIUM EDTA], DRIED CRANBERRIES [CRANBERRIES, SUGAR, SUNFLOWER OIL], CELERY, DIJON MUSTARD [WATER, MUSTARD SEED, VINEGAR, SALT, WHITE WINE, CITRIC ACID, TARTARIC ACID, TURMERIC, SPICES], LEMON JUICE [WATER, LEMON JUICE CONCENTRATE AND LESS THAN 2% OF: LEMON OIL, SODIUM BENZOATE AND SODIUM METABISULFITE {PRESERVATIVES}], WALNUTS, TARRAGON), BUN (ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, POTATO FLOUR, RAW SUGAR, CANOLA OIL, LESS THAN 2% OF YEAST, WHEAT GLUTEN, SEA SALT, NATURAL MOLD INHIBITORS (CULTURED WHEAT STARCH, CULTURED WHEAT FLOUR, CULTURED SUGAR), VINEGAR SODIUM BICARBONATE, CALCIUM SULFATE, SODIUM ACID PYROPHOSPHATE, ASCORBIC ACID, ENZYMES), SPINACH