Which food has less impact on blood sugar?

VEGETABLES: ROMAINE LETTUCE; DRESSING: CANOLA OIL, WATER, ROMANO CHEESE (MILK, CULTURE, SALT, ENZYMES), EGG YOLK, DISTILLED VINEGAR, SALT, DRIED GARLIC, DIJON MUSTARD (DISTILLED VINEGAR, WATER, MUSTARD SEED, SALT, WHITE WINE, CITRIC ACID, TURMERIC, TARTARIC ACID, SPICES), SUGAR, LEMON JUICE CONCENTRATE, ANCHOVIES, MUSTARD FLOUR, SPICE, XANTHAN GUM, CHEESE: PASTEURIZED COW'S MILK, SALT, CHEESE CULTURE, POTATO STARCH (TO PREVENT CAKING), POWDERED CELLULOSE (TO PREVENT CAKING), ENZYMES, NATAMYCIN (A NATURAL MOLD INHIBITOR); CROUTONS: ENRICHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED RON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), HIGH OLEIC CANOLA OIL, SUGAR, SEASONING BLEND (WHEY, GARLIC POWDER, SALT, ROMANO CHEESE MADE FROM COW'S MILK [(PASTEURIZED PART SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), DISODIUM PHOSPHATE, LACTIC ACID], PARSLEY, ONION POWDER, NATURAL FLAVORS, SPICES, CITRIC ACID, DISODIUM INOSINATE, DISODIUM GUANYLATE, SILICON DIOXIDE), SALT, CONTAINS LESS THAN 2% OF EACH OF THE FOLLOWING: YEAST, DRIED YEAST, ENZYMES.