Which food has less impact on blood sugar?

ROMAINE LETTUCE, SEASONED CHICKEN BREAST WITH RIB MEAT (CHICKEN BREAST WITH RIB MEAT, WATER, LESS THAN 2% SOY PROTEIN CONCENTRATE, SODIUM LACTATE, SALT, MODIFIED FOOD STARCH, CARRAGEENAN, SODIUM PHOSPHATE), CAESAR DRESSING (WATER, CANOLA OIL, GARLIC, PARMESAN CHEESE [SKIM MILK, CULTURE, SALT, ENZYMES], DIJON MUSTARD [WATER, MUSTARD SEED, DISTILLED VINEGAR, SALT, WHITE WINE, CITRIC ACID, TURMERIC {COLOR}, TARTARIC ACID, SPICES], EGG YOLK, DISTILLED VINEGAR, DRIED GARLIC, SALT, PEPPER SAUCE [CAYENNE PEPPERS, DISTILLED VINEGAR, WATER, SALT, GARLIC POWDER], LEMON JUICE CONCENTRATE, SUGAR, MODIFIED CORN STARCH, MUSTARD FLOUR, XANTHAN GUM, SPICE, ANCHOVIES, PROPYLENE GLYCOL ALGINATE), PARMESAN CHEESE (PARMESAN CHEESE [MILK, CHEESE CULTURE, SALT, ENZYMES], POTATO STARCH AND POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [A NATURAL MOLD INHIBITOR]), SEASONED CROUTONS (WHEAT FLOUR, CANOLA AND/OR OLIVE OIL, SUGAR, WHEY, SALT, YEAST, GARLIC POWDER, ROMANO CHEESE [MILK, CHEESE CULTURE, SALT, ENZYMES], PARSLEY, ONION, SPICES, CITRIC ACID, DISODIUM INOSINATE AND DISODIUM GUANYLATE, NIACIN, ASCORBIC ACID, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID).