Which food has less impact on blood sugar?

SOURDOUGH BREAD: ENRICHED UNBLEACHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN AND FOLIC ACID), WATER, HIGH FRUCTOSE CORN SYRUP, YEAST. CONTAINS 2% OR LESS OF EACH OF THE FOLLOWING: VITAL WHEAT GLUTEN, SALT, YEAST NUTRIENT (AMMONIUM SULPHATE), DOUGH CONDITIONERS (MONO-DIGLYCERIDES, SODIUM STEAROYL LACTYLATE, ASCORBIC ACID, AZODICARBONAMIDE), FUMARIC ACID, SODIUM DIACETATE, LACTIC ACID, SILICON DIOXIDE, CALCIUM SULFATE, ENZYMES, NONFAT DRY MILK, SOY FLOUR., PORK SAUSAGE PATTY: PORK, WATER, SALT, SPICES, DEXTROSE, SUGAR., SQUARE EGG PATTY: WHOLE EGG, WATER, SOYBEAN OIL AND/OR CORN OIL, WHEY SOLIDS, NONFAT DRIED MILK, XANTHAN GUM, CITRIC ACID, WHITE PEPPER, [ARTIFICIAL BUTTER FLAVOR (PARTIALLY HYDROGENATED SOYBEAN AND COTTON SEED OILS, FLAVOR, MEDIUM CHAIN TRIGLYCERIDES)]., CHEDDAR CHEESE: PASTEURIZED MILK, SALT, ENZYMES, ANNATTO (COLOR), MARGARINE: LIQUID AND PARTIALLY HYDROGENATED SOYBEAN OIL, WATER. CONTAINS LESS THAN 2% OF: SALT, SOY LECITHIN, VEGETABLE MONO & DIGLYCERIDES, SODIUM BENZOATE (A PRESERVATIVE), NATURAL AND ARTIFICIAL FLAVOR, BETA CAROTENE (COLOR), VITAMIN A PALMITATE ADDED, WHEY.