Which food has less impact on blood sugar?

MUFFIN: ENRICHED WHEAT FLOUR (BLEACHED WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, YEAST, CONTAINS 2% OR LESS OF: CORN FLOUR, CORN MEAL, SALT, SUGAR, WHEAT GLUTEN, SOYBEAN OIL, ASCORBIC ACID, FUMARIC ACID, MONOCALCIUM PHOSPHATE, CORN STARCH, ENZYMES, CALCIUM PROPIONATE (TO PRESERVE FRESHNESS). SAUSAGE PATTY: PORK, WATER, CONTAINS LESS THAN 2% OF: SALT, SPICE AND SPICE EXTRACTIVES, SODIUM PHOSPHATE, SUGAR, MONOSODIUM GLUTAMATE, CARAMEL COLOR, BHT, CITRIC ACID, PROPYL GALLATE. EGG PATTY: WHOLE EGGS, WATER, SOYBEAN OIL, MODIFIED CORN STARCH, WHEY, SALT, NONFAT DRIED MILK, CITRIC ACID. PASTEURIZED PROCESS CHEDDAR CHEESE: CHEDDAR CHEESE (MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO), WATER, CREAM, ENZYME MODIFIED CHEESE (MILK, CHEESE CULTURE, SALT, ENZYMES, WATER, LIPOLYZED CREAM, SODIUM PHOSPHATES, XANTHAN GUM), SODIUM PHOSPHATES, SALT, SORBIC ACID (PRESERVATIVE), SODIUM CITRATE, APO-CAROTENAL (COLOR).