Which food has less impact on blood sugar?

CRUST (ENRICHED UNBLEACHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SHORTENING [PALM OIL], DOUGH CONDITIONERS [(WATER, MONOGLYCERIDES, 2% OR LESS OF PROPIONIC ACID AND PHOSPHORIC ACID), (WHEAT FLOUR, DATEM, MONO AND DIGLYCERIDES, DEXTROSE, SOY FLOUR, LECITHIN, ASCORBIC ACID, ENZYMES), (SODIUM STEAROYL LACTYLATE)], SALT, INSTANT DRY YEAST [SORBITAN MONOSTEARATE, ASCORBIC ACID], GARLIC FLAVOR [NATURAL FLAVORS]), FILLING (WATER, COOKED HAM AND WATER PRODUCT, 35% OF WEIGHT IS ADDED INGREDIENTS, CHUNKED AND FORMED [CURED WITH WATER, POTASSIUM LACTATE, DEXTROSE, SALT, CORN SYRUP SOLIDS, MODIFIED CORN STARCH, SODIUM PHOSPHATES, NATURAL FLAVORS, SMOKE FLAVORING, SODIUM ERYTHORBATE, SODIUM NITRITE], PASTEURIZED PROCESSED HI MELT AMERICAN CHEESE [AMERICAN CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), WATER, MILKFAT, SODIUM PHOSPHATE, SODIUM HEXAMETAPHOSPHATE, SALT, SORBIC ACID, ANNATTO (COLOR), NATAMYCIN], CHEESE SAUCE POWDER [CHEDDAR CHEESE (PASTEURIZED MILK, SALT, CHEESE CULTURE, ANNATTO, ENZYMES), MODIFIED CORN STARCH, MODIFIED TAPIOCA STARCH, CANOLA OIL, WHEY, CORN SYRUP SOLIDS, SALT, NONFAT DRY MILK, BLUE CHEESE (PASTEURIZED MILK, SALT, CHEESE CULTURE, ENZYMES), NATURAL FLAVORS, LACTOSE, SODIUM DIACETATE, BUTTERMILK, ONION POWDER, BUTTER (CREAM), MONO & DIGLYCERIDES, MILK PROTEIN ISOLATE, CITRIC ACID, ANNATTO, SPICE, NATURAL VITAMIN E], MODIFIED FOOD STARCH, NATURAL FLAVOR).