Which food has less impact on blood sugar?

SANDWICH ROLL (WHEAT FLOUR, WATER, SUGAR, SALT, CANOLA OIL, YEAST, GUAR GUM, RYE FLOUR, MALTED BARLEY FLOUR, DEACTIVATED YEAST , DEXTROSE, FAVA BEAN FLOUR, MALT EXTRACT, SUNFLOWER LECITHIN, CALCIUM PHOSPHATE , ENZYMES, ASCORBIC ACID, NIACIN, XANTHAN GUM, REDUCED IRON, CALCIUM SULFATE, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), FULLY COOKED HONEY SMOKED TURKEY BREAST (TURKEY BREAST, WATER, HONEY, CONTAINS 2% OR LESS OF POTASSIUM LACTATE [PRESERVATIVE], SALT, SUGAR, SODIUM PHOSPHATES [PRESERVATIVE], CARRAGEENAN, SODIUM DIACETATE [PRESERVATIVE], NATURAL, FLAVOR, SODIUM ERYTHORBATE [PRESERVATIVE], SODIUM NITRITE [PRESERVATIVE]), EDIBLE BEEF COLLAGEN CASING), FULLY COOKED SMOKED HONEY MAPLE PREMIUM HAM, WATER ADDED, CARAMEL COLOR ADDED (HAM CURED WITH WATER, HONEY, SALT, DEXTROSE, VINEGAR, MAPLE FLAVORING MAPLE SYRUP PROPYLENE GLYCOL, NATURAL FLAVOR, MOLASSES, CORN SYRUP, CARAMEL COLOR), SODIUM PHOSPHATES [PRESERVATIVE], SODIUM ERYTHORBATE [PRESERVATIVE] , SODIUM NITRITE [PRESERVATIVE]), TOMATO, SWISS CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURE, SALT, ENZYMES), HONEY MUSTARD MAYONNAISE (CANOLA OIL, WATER, SUGAR, DIJON MUSTARD [DISTILLED VINEGAR, WATER, MUSTARD SEED, SALT, WHITE WINE, CITRIC ACID, TURMERIC, TARTARIC ACID, SPICES], EGG YOLK, HONEY, LESS THAN 2% OF MODIFIED CORN STARCH, SALT, DISTILLED VINEGAR, MUSTARD FLOUR, STABILIZER BLEND (XANTHAN GUM, CARRAGEENAN), APPLE CIDER VINEGAR, DRIED GARLIC, DRIED ONION, NATURAL FLAVOR) , GREEN LEAF LETTUCE.