Which food has less impact on blood sugar?

ROMAINE LETTUCE, CAESAR ROMANO DRESSING (CANOLA OIL, WATER, ROMANO CHEESE [MILK, CULTURE, SALT, ENZYMES], EGG YOLK, DISTILLED VINEGAR, SALT, DRIED GARLIC, DIJON MUSTARD [DISTILLED VINEGAR, WATER, MUSTARD SEED, WHITE WINE, CITRIC ACID, TURMERIC, TARTARIC ACID, SPICES], SUGAR, LEMON JUICE CONCENTRATE, ANCHOVIES, MUSTARD FLOUR, SPICE, XANTHAN GUM), CHICKEN BREAST MEAT WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, CULTURED SUGAR AND VINEGAR, POTATO STARCH, SEA SALT, NATURAL FLAVORINGS), PARMESAN CHEESE (PARMESAN CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], POWDERED CELLULOSE [TO PREVENT CAKING]), UNCURED BACON-NO NITRITES OR NITRATES ADDED EXCEPT THOSE NATURALLY OCCURRING IN SEA SALT AND CULTURED CELERY JUICE (PORK, WATER, SEA SALT, SUGAR, NATURAL SMOKE FLAVOR, CULTURED CELERY JUICE), 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, 2% OR LESS OF YEAST, SALT, MILK, CULTURED NONFAT MILK, DEHYDRATED PARSLEY, MALTODEXTRIN, GARLIC POWDER, ONION POWDER, TOMATO POWDER, AUTOLYZED YEAST, NATURAL FLAVORS [MILK], CHILI PEPPER, WHEY, ENZYME MODIFIED CHEDDAR CHEESE [PASTEURIZED MILK, CULTURES, SALT, ENZYMES], LACTIC ACID, WHITE DISTILLED VINEGAR POWDER, CALCIUM LACTATE, ENZYMES).