Which food has less impact on blood sugar?

ICEBERG LETTUCE, ZESTY CHEESY ITALIAN DRESSING (SOYBEAN OIL, WATER, DISTILLED VINEGAR , RED WINE VINEGAR, SUGAR , GRANULAR AND PARMESAN CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], SALT, DEHYDRATED GARLIC, DEHYDRATED ONION, DEHYDRATED RED BELL PEPPER, XANTHAN GUM, NATURAL FLAVOR, SPICE, LEMON JUICE CONCENTRATE), ROASTED SUNFLOWER SEEDS (SUNFLOWER KERNELS, SUNFLOWER OIL), RED CABBAGE, CARROT, PARMESAN & CHEDDAR CROUTONS (ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), SUNFLOWER OIL WITH ROSEMARY (SUNFLOWER OIL, ROSEMARY EXTRACT) , PARMESAN & CHEDDAR CHEESE SEASONING (PARMESAN CHEESE POWDER (PARTIALLY SKIMMED MILK, CULTURES, SALT, ENZYMES), CHEDDAR CHEESE POWDER {MILK, SALT, CULTURES, ENZYMES), SEA SALT, NATURAL PARMESAN CHEESE FLAVOR, ONION POWDER , NATURAL BUTTER FLAVOR, YEAST EXTRACT, CITRIC ACID, GARLIC POWDER, LACTIC ACID, 2% OR LESS OF SILICON DIOXIDE {ADDED TO PREVENT CAKING}], BAKERS YEAST , PALM OIL SHORTENING*, SEA SALT, CANE SUGAR), ITALIAN SEASONING (PROCESSED FROM: SPICES, DEHYDRATED GARLIC, SALT, DEHYDRATED ONION, CHILI PEPPER, DEHYDRATED PARSLEY, EXTRACTIVE OF TURMERIC (COLOR), WITH NOT MORE THAN 2% TRICALCIUM PHOSPHATE ADDED AS AN ANTI CAKING AGENT).