Which food has less impact on blood sugar?

BISCUIT: ENRICHED BLEACHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, BUTTER-FLAVORED SHORTENING FLAKE (PALM OIL, NATURAL BUTTER FLAVOR AND SOY LECITHIN), BUTTERMILK BLEND (SWEET WHEY, CALCIUM SULFATE, BUTTERMILK, ADIPIC ACID), SHORTENING (PALM OIL, SOY LECITHIN, ARTIFICIAL BUTTER FLAVOR AND BETA CAROTENE), SODIUM ALUMINUM PHOSPHATE, DEXTROSE, SODIUM BICARBONATE, SALT, CALCIUM PROPIONATE (PRESERVATIVE), METHYLCELLULOSE. FULLY COOKED PORK SAUSAGE PATTY-CARAMEL COLOR ADDED, BHA, PROPYL GALLATE AND CITRIC ACID ADDED TO PROTECT FLAVOR: PORK, SEASONING (SALT, WHEY PROTEIN CONCENTRATE, SPICES, CORN SYRUP SOLIDS, DEXTROSE, CARAMEL COLOR, BHA, PROPYL GALLATE, CITRIC ACID), WATER, SODIUM PHOSPHATES. FULLY COOKED EGG PATTY: WHOLE EGGS, WHEY, SOYBEAN OIL, NONFAT MILK, CONTAINS 2% OR LESS OF: MODIFIED FOOD STARCH, SALT, XANTHAN GUM, CITRIC ACID, NATURAL BUTTER FLAVOR. PASTEURIZED PROCESS AMERICAN CHEESE: CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), WATER, SODIUM CITRATE, MILKFAT, SALT, SODIUM PHOSPHATE, SORBIC ACID (PRESERVATIVE), APO-CAROTENAL (COLOR), SOY LECITHIN (NONSTICKING AGENT).