Which food has less impact on blood sugar?

ENGLISH MUFFIN (WATER, WHOLE WHEAT FLOUR, ENRICHED BLEACHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], YEAST, CONTAINS 2% OR LESS OF THE FOLLOWING: AZODICARBONAMIDE DEGERMINATED YELLOW CORN FLOUR, DEGERMINATED YELLOW CORN MEAL, SUGAR, DATEM, CITRIC ACID, ASCORBIC ACID, FUMARIC ACID, CALCIUM PROPIONATE AND POTASSIUM SORBATE [PRESERVATIVES], SALT, SOYBEAN OIL, VINEGAR, WHEAT GLUTEN); TURKEY SAUSAGE (TURKEY, DEXTROSE, SALT, POTASSIUM CHLORIDE, SPICES, SUGAR, DEHYDRATED ONION, GROUND CELERY SEED); EGG WHITE PATTY (EGG WHITES, WATER, CONTAINS 2% OR LESS OF THE FOLLOWING: MODIFIED FOOD STARCH, DICALCIUM PHOSPHATE, SODIUM BICARBONATE, NATURAL FLAVOR, GUAR GUM, XANTHAN GUM); PASTEURIZED PROCESS AMERICAN CHEESE (CULTURED MILK, WATER, CREAM, SODIUM CITRATE, SALT, SODIUM PHOSPHATE, SORBIC ACID [PRESERVATIVE], LACTIC ACID, ARTIFICIAL COLOR, ENZYMES, SOY LECITHIN).