Which food has less impact on blood sugar?

WHEAT BREAD (ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, CRACKED WHEAT, SUGAR, SOYBEAN OIL, WHEAT GLUTEN, CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: YEAST, SALT, CULTURED WHEAT FLOUR, ENZYMES), SMOKED TURKEY (TURKEY BREAST, TURKEY BROTH, DEXTROSE, SALT, SODIUM LACTATE, MODIFIED FOOD STARCH, TAPIOCA STARCH, CARRAGEENAN, SODIUM PHOSPHATE, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE), HAM WITH NATURAL JUICES (CURED WITH WATER, SALT, DEXTROSE, SODIUM LACTATE, SODIUM PHOSPHATE, SODIUM DIACETATE, SODIUM ASCORBATE, SODIUM NITRITE), REDUCED FAT MAYONNAISE (SOYBEAN OIL, WATER, DISTILLED VINEGAR, EGG YOLK, MODIFIED CORN STARCH, SALT, SUGAR, CONTAINS LESS THAN 2% OF NATURAL FLAVOR (INCLUDES MUSTARD SEED), POTASSIUM SORBATE (PRESERVATIVE), LEMON JUICE CONCENTRATE, MUSTARD FLOUR, PHOSPHORIC ACID, DRIED GARLIC, DRIED ONION, CALCIUM DISODIUM EDTA (TO PROTECT FLAVOR)), GREEN LEAF LETTUCE, CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO (VEGETABLE COLOR)), PROCESS WHITE AMERICAN CHEESE (CULTURED PASTEURIZED MILK AND SKIM MILK, BUTTERMILK, MILKFAT, SALT, CONTAINS LESS THAN 2% OF SODIUM AND POTASSIUM CITRATES, MILK PROTEIN CONCENTRATE, LACTIC ACID, SORBIC ACID (PRESERVATIVE), ENZYMES, SOY LECITHIN AND SOYBEAN OIL BLEND (ANTISTICKING AGENT)), BACON (BACON CURED WITH WATER, SALT, SUGAR, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE)