Which food has less impact on blood sugar?

ROMA LETTUCE BLEND (ROMAINE LETTUCE, GREEN LEAF LETTUCE), CHICKEN BREAST MEAT WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, SALT, POTATO STARCH, ONION AND GARLIC POWDER, SPICE), CAESAR DRESSING (SOYBEAN OIL, VINEGAR, WATER, PARMESAN CHEESE (CULTURED MILK, SALT, ENZYMES), HIGH FRUCTOSE CORN SYRUP, EGG YOLK, CONTAINS LESS THAN 2% OF SALT, ANCHOVY PASTE (ANCHOVY, SALT, WATER), GARLIC, ONION, SPICE, POTASSIUM SORBATE, SODIUM BENZOATE AND CALCIUM DISODIUM ETHYLENEDIAMINETETRAACETIC ACID AS PRESERVATIVES, DISODIUM INOSINATE AND DISODIUM GUANYLATE, XANTHAN GUM, YEAST EXTRACT, CITRIC ACID, LEMON JUICE CONCENTRATE, CARAMEL COLOR, RED BELL PEPPER, TURMERIC), PARMESAN CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, POTATO STARCH (TO PREVENT CAKING), POWDERED CELLULOSE (TO PREVENT CAKING), ENZYMES, NATAMYCIN (A MOLD INHIBITOR)), WHOLE GRAIN CHEESE AND GARLIC CROUTONS (WHITE WHOLE WHEAT FLOUR, CANOLA AND/OR SUNFLOWER OIL, SPELT FLOUR, WHEY, AMARANTH FLOUR, QUINOA FLOUR, WHEAT GLUTEN, SALT, 2% OR LESS OF YEAST, SUGAR, ASCORBIC ACID, DEHYDRATED PARSLEY, GARLIC POWDER, VINEGAR, NATURAL AND ARTIFICIAL FLAVOR, PARMESAN CHEESE AND ENZYME MODIFIED CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), CULTURED NONFAT MILK, ANNATTO (COLOR), EXTRACTIVES OF TURMERIC AND PAPRIKA (COLOR), TERTIARY BUTYLHYDROQUINONE (TO PRESERVE FRESHNESS))