Which food has less impact on blood sugar?

ROMAINE LETTUCE, CAESAR DRESSING (HIGH OLEIC SUNFLOWER OIL, WATER, EXTRA VIRGIN OLIVE OIL, WHITE WINE VINEGAR, PARMIGIANO REGGIANO CHEESE [MILK, SALT, RENNET], DIJON MUSTARD [DISTILLED VINEGAR, WATER, MUSTARD SEEDS, SALT, WHITE WINE, CITRIC ACID, TARTARIC ACID, SPICE), EGG YOLK, SALT , LESS THAN 2% OF THE FOLLOWING: DRIED GARLIC, ANCHOVIES, SPICE, LEMON JUICE CONCENTRATE, XANTHAN GUM), CHEESE AND GARLIC CROUTON CRUMBLES (ENRICHED FLOUR (WHEAT FLOUR, MALTED BARLEY, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), SUNFLOWER OIL [SUNFLOWER OIL, ROSEMARY EXTRACT {TO MAINTAIN FRESHNESS}], CHEDDAR CHEESE GARLIC SEASONING (CHEESE POWDER {CHEDDAR CHEESE (MILK, SALT, CULTURES, ENZYMES), WHEY}, SALT, GARLIC POWDER, YEAST EXTRACT, NATURAL FLAVORS, CITRIC ACID, PARSLEY, SPICE, MALTODEXTRIN), WHEAT FLAKES, PALM OIL, SEA SALT, CANE SUGAR, YEAST), ORGANIC PARMIGIANO REGGIANO CHEESE (ORGANIC COW'S MILK, SALT, RENNET), UNCURED BACON NO NITRITES OR NITRATES ADDED EXCEPT THOSE NATURALLY FOUND IN SEA SALT AND CULTURED CELERY JUICE (PORK, WATER, SEA SALT, SUGAR, NATURAL SMOKE FLAVOR, CULTURED CELERY JUICE).