Which food has less impact on blood sugar?

CRUST: ENRICHED UNBLEACHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, DOUGH CONDITIONER (SALT, WHEAT FLOUR, DEXTROSE, MONO AND DIGLYCERIDES, ASCORBIC ACID, L-CYSTEINE), BREAD CRUMBS (BLEACHED WHEAT FLOUR, YEAST, SUGAR, SALT), SEMOLINA FLOUR (SEMOLINA [MILLED FROM DURUM WHEAT], NIACIN, FERROUS SULFATE, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), SOYBEAN OIL (WITH CITRIC ACID ADDED AS A PRESERVATIVE), PALM OIL, SUGAR, YEAST (YEAST, SORBITAN MONOSTEARATE, ASCORBIC ACID), SALT, GARLIC POWDER, TOPPINGS: PIZZA SAUCE (WATER, TOMATO PASTE, SUGAR, SALT, MODIFIED FOOD STARCH, NATURAL PARMESAN CHEESE FLAVOR (CHEESE [PASTEURIZED MILK, CULTURES, SALT, ENZYMES], WATER, DISODIUM PHOSPHATE), GARLIC PUREE, GARLIC POWDER, ONION POWDER, CITRIC ACID, OREGANO, BASIL, BLACK PEPPER, CAYENNE PEPPER), PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CULTURES, SALT, ENZYMES), PROVOLONE CHEESE (PASTEURIZED MILK, CULTURES, SALT ENZYMES), COOKED ITALIAN SAUSAGE (PORK, WATER, SPICES, SALT, CORN SYRUP SOLIDS, GARLIC SUGAR, PAPRIKA, LEMON JUICE POWDER [CORN SYRUP SOLIDS, LEMON JUICE SOLIDS, LEMON OIL], BHA, BHT, CITRIC ACID), BELL PEPPERS, MUSHROOMS, PEPPERONI (PORK AND BEEF, SALT, FLAVORINGS, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, SODIUM NITRITE, BHA, BHT, CITRIC ACID [TO PROTECT FLAVOR]. MAY CONTAIN DEXTROSE, NATURAL FLAVORING, NATURAL SMOKE FLAVORING, SODIUM ASCORBATE [VITAMIN C], SPICES, GARLIC POWDER, SUGAR), ONIONS, 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 (ENRICHED FLOUR [WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, FOLIC ACID], SALT), ASIAGO CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, RICE FLOUR AND CELLULOSE POWDER ADDED TO PREVENT CAKING), GARLIC, OREGANO