Which food has less impact on blood sugar?

CHICKEN (BONELESS, SKINLESS CHICKEN BREAST, WATER, LESS THAN 1.5% OF SALT, MALTODEXTRIN, SUGAR, SODIUM PHOSPHATE, DEXTROSE, FLAVOR, CHICKEN BROTH. COATED WITH: BROWN SUGAR, CARROT, ONION, MALTODEXTRIN, SEA SALT, DEXTROSE, SPICE, GARLIC, CELERY, 2% OR LESS OF CARROT POWDER, CANOLA OIL, NATURAL FLAVOR, CHICKEN BROTH, SALT, CARAMEL COLOR, FLAVORING), MULTIGRAIN CIABATTA (ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, ROLLED OATS, SOURDOUGH [WATER, FERMENTED WHEAT FLOUR, FERMENTED RYE FLOUR], CRACKED RYE, WHEAT BRAN, VEGETABLE OIL [CANOLA OIL OR SOYBEAN OIL], SALT, SUGAR, YEAST, ENRICHED WHEAT FARINA [WHEAT FARINA, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID], FERMENTED RYE FLOUR [RYE FLOUR, WATER, YEAST, LACTIC ACID BACTERIA], MALTED BARLEY EXTRACT, WHEAT GLUTEN, MONOGLYCERIDES, WHEAT GRAINS, RYE GRAINS, OAT GRAINS, FLAX SEEDS, CULTURED WHEAT STARCH, MILLET SEEDS, TEFF SEEDS, GUAR GUM), AMERICAN CHEESE (AMERICAN CHEESE [MILK, SALT, CHEESE CULTURE, ENZYMES], CREAM, SODIUM PHOSPHATES, PAPRIKA, ANNATTO, SALT), GREEN LEAF LETTUCE, BACON (CURED WITH: WATER, SALT, SUGAR, NATURAL SMOKE FLAVORING, SODIUM PHOSPHATES, SODIUM ERYTHORBATE, SODIUM NITRITE).