Which food has less impact on blood sugar?

LEAFY GREENS BLEND, CAESAR DRESSING (SOYBEAN OIL, WATER, PARMESAN CHEESE (PART SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), CORN CIDER VINEGAR, SALT, DISTILLED VINEGAR, SUGAR, EGG YOLK, DEHYDRATED GARLIC, LEMON JUICE CONCENTRATE, SPICE, CITRIC ACID, MUSTARD SEED, XANTHAN GUM, MONOSODIUM GLUTAMATE, ANCHOVIES, CORN SYRUP, DEHYDRATED ONION, POLYSORBATE 60, SODIUM BENZOATE ADDED AS PRESERVATIVE, NATURAL FLAVOR, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR, TAMARIND, DISODIUM GUANYLATE, DISODIUM INOSINATE), ITALIAN STYLE CROUTONS (ENRICHED FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), CANOLA AND/OR SUNFLOWER OIL (WITH ROSEMARY EXTRACT AND ASCORBIC ACID (TO PRESERVE FRESHNESS)), WHEY, SALT, SUGAR, YEAST, 2% OR LESS OF SPICES, DEHYDRATED PARSLEY, ONION POWDER, PAPRIKA (COLOR), TUMERIC (COLOR), EXTRACTIVE OF PAPRIKA (COLOR), SPICE EXTRACTIVE, ENZYMES), SHAVED PARMESAN (PASTEURIZED COWS MILK, CHEESE CULTURES, SALT, ENZYMES, POWDERED CELLULOSE TO PREVENT CAKING, NATAMYCIN (A NATURAL MOLD INHIBITOR))