Which food has less impact on blood sugar?

SALAD: ROMAINE LETTUCE, CHICKEN BREAST (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, CANOLA OIL, POTATO STARCH, LEMON JUICE CONCENTRATE, SALT, GARLIC POWDER, BLACK PEPPER, CANE SUGAR), TOMATOES, BLACK OLIVES (OLIVES, WATER, SALT, LACTIC ACID [PRESERVATIVE], FERROUS GLUCONATE [COLOR STABILIZER]), SEASONED CROUTONS (WHEAT FLOUR, CANOLA AND/OR OLIVE OIL, SALT, WHOLE WHEAT FLOUR, SUGAR, RICE FLOUR, YEAST, GARLIC POWDER, ROMANO CHEESE [MILK, CULTURE, SALT, ENZYMES], PARSLEY, ONION POWDER, YEAST EXTRACT, NATURAL FLAVOR, SPICES, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID, BHT [TO MAINTAIN FRESHNESS]), PARMESAN CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES). CAESAR DRESSING: MAYONNAISE (SOYBEAN OIL, WHOLE EGGS, CIDER VINEGAR, EGG YOLK, DISTILLED VINEGAR, WATER, LEMON JUICE [FROM CONCENTRATE], SALT, SPICE [MUSTARD]), WATER, PARMESAN CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), DIJON MUSTARD (WATER, MUSTARD SEEDS, VINEGAR, SALT, CITRIC ACID), DISTILLED WHITE VINEGAR, WORCESTERSHIRE SAUCE (DISTILLED WHITE VINEGAR, MOLASSES, SUGAR, WATER, SALT, ONIONS, ANCHOVIES, GARLIC, CLOVES, TAMARIND EXTRACT, NATURAL FLAVORINGS, CHILI PEPPER EXTRACT). GARLIC, SALT, LEMON JUICE (WATER, CONCENTRATED LEMON JUICE), ANCHOVY PASTE (ANCHOVIES, SALT, OLIVE OIL), CITRIC ACID, ONION POWDER.