Which food has less impact on blood sugar?

BUN: ENRICHED BLEACHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME), WATER, SUGAR, SOYBEAN OIL, CONTAINS 2% OR LESS OF: YEAST (YEAST, SORBITAN MONOSTEARATE, ASCORBIC ACID), SALT, CALCIUM PROPIONATE (PRESERVATIVE), MONOGLYCERIDES WITH ASCORBIC ACID AND CITRIC ACID (ANTIOXIDANTS), CALCIUM SULFATE, ENZYMES, WHEAT STARCH, ASCORBIC ACID. BEEF PATTY: BEEF, WATER, SOY PROTEIN CONCENTRATE, ONION, CONTAINS 2% OR LESS OF: SODIUM PHOSPHATE, SALT, FLAVORINGS, CARAMEL COLOR, SUGAR, DEXTROSE, NATURAL BEEF FLAVOR (FROM CANOLA, SOYBEAN & COTTONSEED OILS), MALTODEXTRIN, NATURAL FLAVORS, MODIFIED CORN STARCH, CORN SYRUP SOLIDS, BEEF EXTRACT, YEAST EXTRACT, BEEF STOCK, DISODIUM INOSINATE, DISODIUM GUANYLATE, LACTIC ACID, BEEF FAT, CITRIC ACID, ZINC OXIDE, NIACINAMIDE, FERROUS SULFATE, COPPER GLUCONATE, VITAMIN A PALMITATE, CALCIUM PANTOTHENATE, THIAMINE MONONITRATE, PYRIDOXINE HYDROCHLORIDE, RIBOFLAVIN, CYANOCOBALAMIN, MAY CONTAIN: POTASSIUM LACTATE AND SODIUM DIACETATE. PASTEURIZED PROCESS YELLOW CHEESE PRODUCT: AMERICAN CHEESE (MILK, SALT, CHEESE CULTURES, ENZYMES), WATER, NON-FAT DRY MILK, WHEY, CREAM, SODIUM CITRATE, SALT, SORBIC ACID (PRESERVATIVE), SOY LECITHIN, APO CAROTENAL (COLOR).