Which food has less impact on blood sugar?

ENGLISH MUFFIN (ENRICHED FLOUR [BLEACHED WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, YEAST, WHEAT GLUTEN, CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: SALT, SUCROSE, HYDROGENATED SOYBEAN AND/OR COTTONSEED OIL, CORN MEAL, DOUGH CONDITIONERS [MAY CONTAIN ONE OR MORE THE FOLLOWING: DATEM, ENZYMES, AZODICARBONAMIDE, ASCORBIC ACID, CALCIUM CITRATE], CALCIUM PROPIONATE AND POTASSIUM SORBATE [PRESERVATIVES]), EGG PATTY (WHOLE EGGS, WHEY, SKIM MILK, SOYBEAN OIL, CONTAINS LESS THAN 2% OF THE FOLLOWING: WATER, DICALCIUM PHOSPHATE DIHYDRATE, ARTIFICIAL BUTTER FLAVOR [PARTIALLY HYDROGENATED SOYBEAN AND COTTONSEED OIL, TRIGLYCERIDES], SALT, SODIUM BICARBONATE, XANTHAN GUM, CITRIC ACID, WHITE PEPPER), CANADIAN BACON (PORK CURED WITH WATER, SUGAR, SALT, CONTAINS 2% OR LESS OF THE FOLLOWING: SODIUM LACTATE, SODIUM PHOSPHATE, FLAVORING, SODIUM DIACETATE, SODIUM NITRITE), CHEESE (CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], WATER, SODIUM PHOSPHATE, MILKFAT, SALT, SODIUM HEXAMETAPHOSPHATE, SORBIC ACID [PRESERVATIVE], APOCARTENOL [COLOR]).