Which food has less impact on blood sugar?

ROMAINE LETTUCE, CAESAR DRESSING (SOYBEAN OIL AND/OR CANOLA OIL, WATER, PARMESAN CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], DISTILLED VINEGAR, WHOLE EGG, ANCHOVIES [ANCHOVIES, SALT], RED WINE VINEGAR, CONTAINS LESS THAN 2% OF: CALCIUM DISODIUM EDTA [TO PROTECT FLAVOR], DEHYDRATED GARLIC, DIJON MUSTARD [WHITE DISTILLED VINEGAR, WATER, MUSTARD SEED, SALT, WHITE WINE, CITRIC ACID, ONION POWDER, SPICES, TURMERIC, NATURAL FLAVORS], EGG YOLK, EXTRACTIVE OF RICE, INVERTED SUGAR, LEMON JUICE CONCENTRATE, NATURAL FLAVORS, SALT, SODIUM BENZOATE AND POTASSIUM SORBATE [AS PRESERVATIVES], SPICES [CONTAINS MUSTARD], XANTHAN GUM), CHICKEN BREAST WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, SODIUM LACTATE, SEASONING [SALT, SUGAR, ARTIFICIAL CHICKEN FLAVOR {HYDROLYZED CORN PROTEIN, AUTOLYZED YEAST EXTRACT, THIAMINE HYDROCHLORIDE, DISODIUM INOSINATE, DISODIUM GUANYLATE}, DEXTROSE, NATURAL FLAVORING], MODIFIED POTATO STARCH, DEXTROSE, POTASSIUM LACTATE, SODIUM PHOSPHATES, SODIUM DIACETATE), BUTTER GARLIC CROUTONS (ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID], CANOLA AND/OR SUNFLOWER OIL (WITH ROSEMARY EXTRACT AND ASCORBIC ACID {TO PRESERVE FRESHNESS}], YEAST, SUGAR, 2% OR LESS OF SALT, GARLIC, ONION POWDER, PARSLEY*, NATURAL FLAVORS [MILK], YEAST EXTRACT, DEXTROSE, BUTTER OIL, ENZYMES, EXTRACTIVE OF ANNATTO [COLOR], NATURAL SMOKE FLAVOR), PARMESAN CHEESE (PARMESAN CHEESE [PASTEURIZED MILK, CHEESE CULTURES SALT, ENZYMES], POWDERED CELLULOSE [TO PREVENT CAKING]).