Which food has less impact on blood sugar?

SALAD: ROMAINE LETTUCE, GRILLED WHITE CHICKEN (CHICKEN BREAST WITH RIB MEAT, WATER, POTATO STARCH, SEA SALT), SEASONED CROUTONS (UNBLEACHED ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, AND FOLIC ACID], CANOLA AND OR HIGH OLEIC SUNFLOWER OIL, WATER, EVAPORATED CANE JUICE, SALT, LESS THAN 2% OF WHEY, PARMESAN CHEESES [(PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), WHEY, BUTTERMILK SOLIDS, SODIUM PHOSPHATE, SALT], YEAST, NONFAT DRY MILK, DEXTROSE, ONION, GARLIC, NATURAL PARMESAN FLAVOR, SPICES, PARSLEY, AND LACTIC ACID. MAY CONTAIN ASCORBIC ACID AS DOUGH CONDITIONER), PARMESAN CHEESE (PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES). DRESSING: WATER, CANOLA OIL, PARMESAN CHEESE (MILK, CULTURE, SALT, ENZYMES), CIDER VINEGAR, SALT, ROMANO CHEESE (MILK, CULTURE, SALT, ENZYMES), LEMON JUICE CONCENTRATE, EGG YOLK, SUGAR, GARLIC, SPICES, WORCESTERSHIRE POWDER (VINEGAR, MOLASSES, CORN SYRUP, SALT, CARAMEL COLOR, GARLIC, SUCROSE, SPICES, TAMARIND, NATURAL FLAVOR, MALTODEXTRIN), CITRIC ACID, XANTHAN GUM, DRIED ONION, ANCHOVY POWDER (MALTODEXTRIN, ANCHOVY EXTRACT, SALT), CARAMEL COLOR, ANNATTO EXTRACT (COLOR), YEAST EXTRACT, NATURAL FLAVORS