Which food has less impact on blood sugar?

CRUST: WHOLE WHEAT FLOUR, WHEAT ENRICHED FLOUR (WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), FILLING: HAM, WATER ADDED (CURED WITH WATER, DEXTROSE, LITE SALT [POTASSIUM CHLORIDE, SODIUM CHLORIDE], SALT, SODIUM NITRITE), CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO COLOR), WATER, CHEESE SAUCE MIX (CHEESE BLEND [WHEY, CHEDDAR CHEESE {CULTURED MILK, SALT, ENZYMES}, REDUCED LACTOSE WHEY, MALTODEXTRIN, CANOLA OIL, SALT, DISODIUM PHOSPHATE, BLUE CHEESE {CULTURED MILK, SALT, ENZYMES}, NONFAT DRY MILK, CITRIC ACID], MODIFIED FOOD STARCH, WHEY, CORN SYRUP SOLIDS, COCONUT OIL, SALT, YEAST EXTRACT, SODIUM CASEINATE, POTASSIUM & SODIUM PHOSPHATES, ANNATTO EXTRACT [COLOR], SUGAR, MONO & DIGLYCERIDES, CITRIC ACID, XANTHAN GUM, DISODIUM INOSINATE, SOY LECITHIN), LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CULTURES, SALT, ENZYMES), REDUCED SODIUM LOW FAT MOZZARELLA CHEESE ([PASTEURIZED PART-SKIM MILK, CULTURES, SALT, ENZYMES], NONFAT MILK, MODIFIED FOOD STARCH*, POTASSIUM CHLORIDE*. *INGREDIENTS NOT IN REGULAR MOZZARELLA CHEESE), CONTAINS 2% OR LESS OF: WHITE FLAKE, NON HYDROGENATED SHORTENING (PALM OIL WITH SOYA LECITHIN), SHORTENING (VEGETABLE OIL [PALM AND SOYBEAN OIL]), SUGAR, INSTANT DRY YEAST, DOUGH CONDITIONER (WHEAT FLOUR, DIACETYL TARTARIC ACID ESTERS OF MONO-DIGLYCERIDES [DATEM], CONTAINS 2% OR LESS OF: SOYBEAN OIL, L-CYSTEINE, ENZYME, ASCORBIC ACID, AZODICARBONAMIDE [ADA]), DRIED EGG YOLKS (LESS THAN 2% SODIUM SILICOALUMINATE ADDED AS AN ANTICAKING AGENT), SALT, BUTTER FLAVOR (MALTODEXTRIN, BUTTER FLAVOR), SALT, DOUGH SOFTENER (WATER AND MONOGLYCERIDES WITH PROPIONIC ACID AND PHOSPHORIC ACID [ADDED AS PRESERVATIVES]), MODIFIED FOODSTARCH, METHYLCELLULOSE, CHEESE SPRINKLE (PARMESAN CHEESE GRATED [PASTEURIZED PART-SKIM MILK AND/OR COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], MODIFIED FOOD STARCH AND POWDERED CELLULOSE [ANTI-CAKING AGENT]).