Which food has less impact on blood sugar?

HONEY HAM-WATER ADDED (HAM, WATER, HONEY, CONTAINS 2% OR LESS OF DEXTROSE, SALT, POTASSIUM LACTATE, SODIUM LACTATE, SODIUM PHOSPHATES, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRATE), ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID) WATER, BOLILLO BASE (ENRICHED WHEAT FLOUR (FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), PALM OIL, SUGAR, SALT, DOUGH CONDITIONERS (ASCORBIC ACID, ENZYMES)), SWISS CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITATE, RIBOFLAVIN, FOLIC ACID), YEAST, VEGETABLE SHORTENING (CANOLA OIL, HYDROGENATED COTTONSEED OIL, CITRIC ACID), DOUGH ENZYME (ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), MONOGLYCERIDES, GUAR GUM, CORN SYRUP SOILDS AND 2% OR LESS OF EACH OF THE FOLLOWING: SILICON DIOXIDE (FLOW AID), SOYBEAN OIL, ENZYMES (CONTAINS WHEAT), CALCIUM SULFATE, SALT), WHEAT GLUTEN, SALT.