Which food has less impact on blood sugar?

GOURMET SANDWICH ROLL [UNBLEACHED FLOUR (WHEAT, MALTED BARLEY), WATER, POTATO FLOUR, SUGAR, PALM OIL, WHEAT GLUTEN, CONTAINS LESS THAN 2% OF EACH OF THE FOLLOWING: SALT, YEAST, MONOGLYCERIDES, ENZYMES, ASCORBIC ACID, CORN STARCH, SOYBEAN OIL, DEXTROSE, SEA SALT, ENRICHED WITH (NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID) AND CALCIUM PROPIONATE (PRESERVATIVE), VEGETABLE PROTEINS, SUNFLOWER OIL, MALTODEXTRINS, STARCH, POTASSIUM SORBATE], ROAST BEEF CONTAINS UP TO 15% OF A SOLUTION CARAMEL COLOR ADDED [BEEF, WATER, CONTAINS 2% OR LESS OF THE FOLLOWING: POTASSIUM LACTATE, SALT, DEXTROSE, SODIUM PHOSPHATE, SODIUM DIACETATE, SEASONING (SALT, SUGAR, MALTODEXTRIN, YEAST EXTRACT, GARLIC POWDER, ONION POWDER, NATURAL FLAVORS), FLAVORING, COATED WITH CARAMEL COLOR], HORSERADISH MAYONNAISE [MAYONNAISE (SOYBEAN OIL, EGG YOLKS, HIGH FRUCTOSE CORN SYRUP, WATER, DISTILLED VINEGAR, CORN SYRUP, SALT, MUSTARD FLOUR, CITRIC ACID, CALCIUM DISODIUM EDTA [TO MAINTAIN QUALITY], SPICE EXTRACTIVE, NATURAL FLAVOR), HORSERADISH (HORSERADISH, WATER, DISTILLED VINEGAR, SOYBEAN OIL, SALT, ARTIFICIAL FLAVOR), SUGAR, CHIVES, BLACK PEPPER, POTASSIUM SORBATE AND SODIUM BENZOATE (TO MAINTAIN QUALITY)], HORSERADISH CHEDDAR CHEESE [CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), NATURAL HORSERADISH FLAVOR, CHIVES (FREEZE DRIED LEAVES OF ALLIUM SCHOENOPRASSUM L)].