Which food has less impact on blood sugar?

SALAD: ROMAINE LETTUCE, GRILLED CHICKEN BREAST (CHICKEN BREAST WITH RIB MEAT, WATER, SALT, BLACK PEPPER), TOMATOES, CROUTONS (ENRICHED FLOUR {WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID}, WATER, BUTTER, GARLIC, ONION POWDER, SALT, PEPPER, YEAST. MADE FROM SOUR BATARD), PARMESAN CHEESE (PART-SKIMMED PASTEURIZED COW'S MILK, CULTURES, SALT, ENZYMES). DRESSING: CHOLESTEROL FREE MAYONNAISE (WATER, EXPELLER PRESSED CANOLA OIL, FOOD STARCH-MODIFIED, DISTILLED VINEGAR, APPLE CIDER VINEGAR, SALT, SOY PROTEIN ISOLATE, XANTHAN GUM, LEMON JUICE CONCENTRATE, ONION POWDER, MIXED TOCOPHEROLS {ANTIOXIDANT}, ROSEMARY EXTRACT, MUSTARD OIL, OLEORESIN PAPRIKA, OLEORESIN TURMERIC), WATER, LEMON JUICE, PARMESAN CHEESE (PASTEURIZED PART SKIM COW'S MILK, CHEESE CULTURES, SALT, ENZYMES) AND ANTI-CAKING AGENT {POTATO STARCH}), ANCHOVIE FILLETS (ANCHOVIES, OLIVE OIL, SALT), WORCESTERSHIRE SAUCE (DISTILLED WHITE VINEGAR, MOLASSES, SUGAR, WATER, SALT, ONIONS, ANCHOVIES, GARLIC, CLOVES, TAMARIND EXTRACT, NATURAL FLAVORINGS, CHILI PEPPER EXTRACT), DIJON MUSTARD (WATER, MUSTARD SEEDS, VINEGAR, SALT), GARLIC, KOSHER SALT, WHITE PEPPER.