Which food has less impact on blood sugar?

ENGLISH MUFFIN (WATER, WHOLE GRAIN WHEAT FLOUR, ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], YEAST, CONTAINS LESS THAN 2% OF THE FOLLOWING: SUGAR, WHEAT GLUTEN, DATEM, CITRIC ACID, FUMARIC ACID, SALT, ASCORBIC ACID, DEGERMED YELLOW CORN FLOUR, DEGERMED YELLOW CORNMEAL, DISTILLED MONOGLYCERIDES, CALCIUM PROPIONATE [PRESERVATIVE], POTASSIUM SORBATE [PRESERVATIVE], SOYBEAN OIL, CALCIUM SULFATE, GUM ARABIC, ENZYMES, CALCIUM PHOSPHATE, VINEGAR), EGG WHITE PATTY (EGG WHITE, CORN STARCH, SALT, XANTHAN GUM), FULLY COOKED CHUNKED & FORMED CANADIAN BACON WATER ADDED WITH SIRLOIN HIPS (PORK CURED WITH WATER, SUGAR, SALT, CONTAINS 2% OR LESS OF: SODIUM LACTATE, SODIUM PHOSPHATE, NATURAL SMOKE FLAVOR, FLAVORING, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE), PASTEURIZED PROCESS AMERICAN CHEESE (MILK, SALT, CHEESE CULTURES, ENZYMES, WATER, NON-FAT DRY MILK, WHEY, CREAM, SODIUM CITRATE, SALT, SORBIC ACID [PRESERVATIVE], SUNFLOWER LECITHIN [ANTI-STICKING AGENT], APO-CAROTENAL [COLOR]).