Which food has less impact on blood sugar?

ROMAINE LETTUCE, CAESAR DRESSING (SOYBEAN OIL, WATER, PARMESAN CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], EGG YOLKS, RED WINE VINEGAR, CONTAINS LESS THAN 2% OF WORCESTERSHIRE SAUCE [DISTILLED VINEGAR, MOLASSES, SUGAR, WATER, SALT, ONION, ANCHOVY, GARLIC, SPICE, TAMARIND EXTRACT, NATURAL FLAVORS, CHILI PEPPER EXTRACT, SALT, LEMON JUICE CONCENTRATE, GARLIC, SPICE, MUSTARD BRAN, ANCHOVY EXTRACT, XANTHAN GUM, DEHYDRATED ONION, DEHYDRATED GARLIC), CHICKEN BREAST MEAT WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, CONTAINS LESS THAN 2% OF POTATO STARCH, SEA SALT, VINEGAR, YEAST EXTRACT, NATURAL FLAVORS, SPICE), PARMESAN CHEESE (PARMESAN CHEESE PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], POTATO STARCH [TO PREVENT CAKING), POWDERED CELLULOSE [TO PREVENT CAKING), NATAMYCIN [A NATURAL MOLD INHIBITORI), GARLIC BUTTER FLAVORED CROUTONS (ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], CANOLA AND/OR SUNFLOWER OIL [WITH ROSEMARY EXTRACT AND ASCORBIC ACID (TO PRESERVE FRESHNESS)], SUGAR, YEAST, 2% OR LESS OF SALT, DEHYDRATED GARLIC, ONION POWDER, DEHYDRATED PARSLEY, NATURAL FLAVORS, YEAST EXTRACT, DEXTROSE, BUTTER OIL, ENZYMES, EXTRACTIVE OF ANNATTO [COLOR], NATURAL SMOKE FLAVOR).