Which food has less impact on blood sugar?

PIZZA CRUST: FLOUR (BLEACHED WHEAT FLOUR, MALTED BARLEY FLOUR, POTASSIUM BROMATE), WATER, CANOLA SALAD OIL: (REFINED BLEACHED DEODORIZED CANOLA OIL), SALT: (YELLOW PRUSSIATE OF SODA, MAY ALSO CONTAIN TRICALCIUM PHOSPHATE, DEXTROSE, POTASSIUM IODIDE, SODIUM BICARBONATE), DOUGH CONDITIONER: (WHEY, (MILK), L-CYSTEINE, HYDROCHLORIDE), YEAST (SACCHAROMYCES CERVISIAE, SORBITAN MONOSTEARATE, ASCORBIC ACID), SUGAR, CALCIUM PROPIONATE, SAUCE: [WATER, TOMATO PASTE (TOMATOES), SUGAR, SPICES (DEHYDRATED ONION, SALT, SPICES (BLACK PEPPER, BASIL), DEHYDRATED GARLIC, SOYBEAN OIL, SODIUM BENZOATE (2.63%))], PROVEL CHEESE: [CHEDDAR, SWISS, AND PROVOLONE CHEESE), (CULTURED PASTEURIZED MILK AND PART SKIM MILK, WATER, SODIUM PHOSPHATE, MILKFAT, SALT, CONTAINS LESS THAN 0.5% OF LACTIC ACID, SORBIC ACID, AS A PRESERVATIVE, ENZYMES, SMOKE FLAVOR], SAUSAGE: (PORK, WATER, SALT, SPICES INCLUDING FENNEL SEED, BLACK PEPPER, DEHYDRATED GARLIC, SOYBEAN OIL, SILICON DIOXIDE, PAPRIKA, PARSLEY, BHA AND BHT), PEPPERONI: (PORK AND BEEF, SALT, CONTAINS 2% OR LESS OF WATER, DEXTROSE, SPICES, OLEROSIN OF PAPRIKA, LACTIC ACID STARTER CULTURE, GARLIC POWDER, SODIUM NITRITE, BHA, BHT, CITRIC ACID), OREGANO AND GRATED ROMANO CHEESE: (PASTEURIZED SHEEP'S MILK, CHEESE CULTURES, SALT, ENZYMES), MODIFIED FOOD STARCH, POWDERED CELLULOSE TO PREVENT CAKING, POTASSIUM SORBATE TO PROTECT FLAVOR.