Which food has less impact on blood sugar?

ROLL (ENRICHED WHEAT FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SUGAR, PALM OIL, YEAST, SALT, WHEAT GLUTEN, BUTTERMILK POWDER (WHEY SOLIDS, ENZYME MODIFIED BUTTER, MALTODEXTRIN, SALT, DEHYDRATED BUTTER, GUAR GUM, ANNATTO AND TUMERIC (COLOR)), DOUGH CONDITIONER (WHEAT FLOUR, WHEAT GLUTEN, CONTAINS 2% OR LESS OF: HYDROLYZED WHEAT GLUTEN, ENZYMES, ASCORBIC ACID (VITAMIN C), ORGANIC WHEAT STARCH), DOUGH CONDITIONER (CALCIUM SULFATE, WHEAT STARCH, WHEAT FLOUR, CONTAINS 2% OR LESS OF: ENZYMES, SALT), ENZYMES), HAM (HAM WITH NATURAL JUICES CURED WITH WATER, SALT, DEXTROSE, SODIUM LACTATE, SODIUM PHOSPHATE, SODIUM DIACETATE, SODIUM ASCORBATE, SODIUM NITRITE), TOMATOES, BLACK BEAN SPREAD (PREPARED BLACK BEANS, WATER, SALT, CALCIUM CHLORIDE AND FERROUS GLUCONATE), LIME JUICE (FRESH LIMES, (MILDLY PASTEURIZED FOR ENHANCED FOOD SAFETY), WATER, SALT (SALT, SODIUM SILICOALUMINATE, DEXTROSE, POTASSIUM IODIDE, SODIUM BICARBONATE), GROUND CUMIN, BLACK PEPPER), PEPPERJACK CHEESE (PASTEURIZED MILK, JALAPENO PEPPERS, CHEESE CULTURE, SALT, ENZYMES), LETTUCE, CHIPOTLE MAYONNAISE SPREAD (REDUCED FAT MAYONNAISE (SOYBEAN OIL, WATER, EGGS, FOOD STARCH-MODIFIED*, DISTILLED VINEGAR, SALT, SUGAR, CONTAINS LESS THAN 2% OF NATURAL FLAVOR (INCLUDES MUSTARD SEED), POTASSIUM SORBATE* (A PRESERVATIVE), SPICE, PHOSPHORIC ACID*, DEHYDRATED GARLIC*, DEHYDRATED ONION*, CALCIUM DISODIUM ETHYLENEDIAMINETETRAACETIC ACID ADDED TO PROTECT FLAVOR. *INGREDIENTS NOT NORMALLY FOUND IN MAYONNAISE), CHIPOTLE FLAVOR CONCENTRATE (PEPPER BLEND (RED, JALAPENO), SAUTEED VEGETABLE PUREE MIX (ONIONS, CARROTS AND CELERY), MALTODEXTRIN, CHIPOTLE POWDER, SALT, CORN OIL, OLIVE OIL, SUGAR, SPICES, MOLASSES, DRIED ONION, WATER, VINEGAR, 2% OR LESS OF MODIFIED CORNSTARCH, PALM OIL, GARLIC, CITRIC ACID, DISODIUM INOSINATE/DISODIUM GUANYLATE, NATURAL FLAVOR, NATURAL SMOKE FLAVOR)