Which food has less impact on blood sugar?

WHITE FRENCH BREAD: ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR WATER SUGAR, YEAST, SOYBEAN OIL SALT, MONOGLYCERIDES, CALCIUM PROPIONATE (PRESERVATIVE), DOUGH CONDITIONER (WHEAT FLOUR, ASCORBIC ACID, ENZYMES). FULLY COOKED OVEN ROASTED CHICKEN BREAST: CHICKEN BREAST, CHICKEN BROTH, CONTAINS 2% OR LESS OF VINEGAR, SALT, RICE STARCH, SODIUM PHOSPHATES, NATURAL FLAVOR. SLICED CHEDDAR CHEESE: CULTURED PASTEURIZED MILK, SALT, ENZYMES, ANNATTO COLOR. RANCH DRESSING: WATER, SOYBEAN OIL, POWDERED BUTTERMILK, SALT, WHITE DISTILLED VINEGAR, SUGAR, DRIED EGG YOLK, GARLIC POWDER ONION POWDER, MONOSODIUM GLUTAMATE, LEMON JUICE CONCENTRATE, LACTIC ACID, XANTHAN GUM, DEHYDRATED GARLIC, MUSTARD FLOUR GUAR GUM, PARSLEY FLAKES, BLACK PEPPER, CITRIC ACID, CELERY SEED, DRIED DILL PRECOOKED BACON SLICES, SMOKE FLAVOR ADDED: BACON CURED WITH WATER, SALT, SUGAR SMOKE FLAVORING, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE.