Which food has less impact on blood sugar?

PRETZEL BUN: ENRICHED FLOUR (UNBLEACHED, UNBROMATED WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON [REDUCED IRON], THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SUGAR, SALT, ENRICHED BLEACHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, FERROUS SULFATE, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MONOGLYCERIDES, SODIUM STEAROYL LACTYLATE (SSL), CALCIUM PROPIONATE, CALCIUM SULFATE, GUAR GUM, DIACETYL TARTARIC ACID ESTERS OF MONO-DIGLYCERIDES (DATEM), SOYBEAN OIL, SILICON DIOXIDE (FLOW AID), ENZYMES (WHEAT), ASCORBIC ACID, L-CYSTEINE HYDROCHLORIDE, AZODICARBONAMIDE (ADA), CALCIUM PEROXIDE, PARTIALLY HYDROGENATED SOYBEAN AND COTTONSEED OILS, WHEAT GLUTEN, YEAST, DRY MALT, CORN FLOUR, TURMERIC, MONO- AND DIGLYCERIDES, CONTAINS 2% OR LESS OF PAPRIKA, NATURAL AND ARTIFICIAL FLAVORS. FULLY COOKED FLAME BROILED CHOPPED BEEF STEAKS: BEEF, SEASONING (HYDROLYZED CORN PROTEIN, DEXTROSE, SALT, FLAVORING), SODIUM PHOSPHATE. SMOKED HAM: CURED WITH: WATER, SALT, SUGAR, SODIUM LACTATE, SODIUM PHOSPHATES, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE. STONE GROUND MUSTARD: STONE GROUND MUSTARD (WATER, VINEGAR, BROWN MUSTARD SEED, SALT, XANTHAN GUM), WATER, GELATIN, MODIFIED FOOD STARCH. PASTEURIZED PROCESS SWISS CHEESE: SWISS CHEESE (PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), WATER, SODIUM PHOSPHATE, SALT, SODIUM CITRATE, SORBIC ACID (PRESERVATIVE), MILKFAT, STARCH ADDED FOR SLICE SEPARATION.