Which food has less impact on blood sugar?

ENGLISH MUFFIN: ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, YEAST, DEXTROSE, CONTAINS LESS THAN 2% OF: CORNMEAL, BAKING POWDER (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORNSTARCH, MONOCALCIUM PHOSPHATE), POTATO FLOUR, DISTILLED VINEGAR, SALT, CALCIUM PROPIONATE, WHEAT GLUTEN, WATER, MONOGLYCERIDES, PROPIONIC ACID, PHOSPHORIC ACID, FUMARIC ACID, HYDROGENATED SOYBEAN OIL, SOYBEAN OIL, FUMARIC ACID, POTASSIUM SORBATE, MINERAL OIL (PROCESSING AID), NONFAT DRY MILK. EGG PATTY: WHOLE EGGS, WATER, DRY WHOLE MILK, SOYBEAN OIL, SALT, XANTHAN GUM, CITRIC ACID. HAM: CURED WITH WATER, DEXTROSE, SALT, CONTAINS 2% OR LESS OF: SODIUM LACTATE, SUGAR, SODIUM PHOSPHATE, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE. PASTEURIZED PROCESS AMERICAN CHEESE: CULTURED MILK AND SKIM MILK, CREAM, SODIUM CITRATE, SALT, PAPRIKA AND ANNATTO (COLOR), SODIUM PHOSPHATE, ACETIC ACID, ENZYMES, SORBIC ACID (PRESERVATIVE), SOY LECITHIN (ANTI-STICKING AGENT).