Which food has less impact on blood sugar?

DOUGH: ENRICHED UNBLEACHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SOYBEAN OIL (WITH CITRIC ACID ADDED AS A PRESERVATIVE), DOUGH CONDITIONER (SALT, WHEAT FLOUR, DEXTROSE, MONO AND DIGLYCERIDES, ASCORBIC ACID, L-CYSTEINE), PALM OIL, YEAST (YEAST, SORBITAN MONOSTEARATE, ASCORBIC ACID). FILLING: PEPPERONI (PORK, BEEF, SALT, CONTAINS 2% OR LESS OF SUGAR, SPICES, OLEORESIN OF PAPRIKA, SODIUM ASCORBATE, NATURAL FLAVORINGS, GARLIC POWDER, DEXTROSE, LACTIC ACID STARTER CULTURE, SODIUM NITRITE, BHA, BHT, CITRIC ACID), PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CULTURES, SALT, ENZYMES), PROVOLONE CHEESE (PASTEURIZED MILK, CULTURES, SALT, ENZYMES), RICOTTA CHEESE WHEY, WHOLE MILK, CREAM, VINEGAR, AND XANTHAN GUM, LOCUST BEAN GUM, GUAR GUM [STABILIZERS]), PARMESAN & ROMANO CHEESE BLEND (PARMESAN CHEESE [MADE FROM COW'S MILK, SALT, ENZYMES], ROMANO CHEESE [MADE FROM COW'S MILK, SALT, ENZYMES], POWDERED CELLULOSE/STARCH BLEND ADDED TO PREVENT CAKING), NATURAL CHEESE FLAVOR (CHEDDAR CHEESE, PARMESAN CHEESE, ROMANO CHEESE, MOZZARELLA CHEESE [PASTEURIZED MILK, CULTURES, SALT, ENZYMES], WHEY PROTEIN POWDER, MALTODEXTRIN, SALT), SOYBEAN OIL (WITH CITRIC ACID ADDED AS A PRESERVATIVE), BLACK PEPPER. TOPPING: PARMESAN & ROMANO CHEESE BLEND (PARMESAN CHEESE [MADE FROM COW'S MILK, SALT, ENZYMES], ROMANO CHEESE [MADE FROM COW'S MILK, SALT, ENZYMES], POWDERED CELLULOSE/STARCH BLEND ADDED TO PREVENT CAKING), BREAD CRUMBS (BLEACHED FLOUR, WATER, VEGETABLE OIL [SOYBEAN OIL, COTTONSEED OIL, AND/OR CANOLA OIL], SALT, YEAST, CONTAINS 2% OR LESS OF THE FOLLOWING: SUGAR, DEXTROSE), PARSLEY, OREGANO.