Which food has less impact on blood sugar?

CRUST: (WHEAT FLOUR, WATER, CORN OIL, YEAST, SUGAR, BAKING POWDER (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE), SALT, SAUCE: WATER, TOMATO PASTE, SUGAR, SALT, SPICE, BLEND (GRANULATED GARLIC, SPICES, ONION), ROMANO CHEESE (PASTEURIZED SHEEP'S MILK, CHEESE CULTURES, SALT, ENZYMES), POWDERED CELLULOSE (ADDED TO PREVENT CAKING), BASIL, STARCH, CHEESE BLEND: MOZZARELLA (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYME), WHITE CHEDDAR CHEESE (PASTEURIZED MILK, SALT, CHEESE CULTURE, ENZYMES), CELLULOSE, PEPPERONI: PORK, BEEF, SALT, CONTAINS 2% OR LESS OF WATER, DEXTROSE AND/OR SUGAR, FLAVORINGS, SMOKE FLAVORING, SODIUM ASCORBATE, GARLIC POWDER, OLEORESIN AND/OR EXTRACTIVES OF PAPRIKA, LACTIC ACID STARTER CULTURE, SODIUM NITRITE, CITRIC ACID, BHA, BHT. MAY ALSO CONTAIN SPICES AND/OR SPICE EXTRACTIVES, COOKED MEATBALLS: BEEF, PORK, WATER, BREAD CRUMBS (WHEAT FLOUR, WATER, SALT, YEAST; ALSO MAY CONTAIN: VEGETABLE SHORTENING (HYDROGENATED SOYBEAN AND/OR COTTONSEED OIL), AMMONIUM CHLORIDE, CALCIUM PROPIONATE), ROMANO CHEESE (PASTEURIZED COW'S MILK, CULTURE, SALT, ENZYMES), RICOTTA CHEESE (WHEY, MILK, CREAM, VINEGAR, AND XANTHAN GUM, LOCUST BEAN GUM, GUAR GUM (STABILIZERS)), LIQUID EGG WHITES, TEXTURED SOY PROTEIN (SOY PROTEIN CONCENTRATE, CARAMEL COLOR), SALT, DRIED GARLIC, SPICES, PARSLEY, BROWN SUGAR, CARAMEL COLOR, DISODIUM INOSINATE AND DISODIUM GUANYLATE, BHA, BHT, CITRIC ACID, COOKED ITALIAN SAUSAGE: PORK, SPICES, WATER, SALT, CORN SYRUP SOLIDS, GARLIC, PAPRIKA, NATURAL FLAVOR (AUTOLYZED YEAST EXTRACT, LACTIC ACID, SPICE EXTRACTIVE), SUGAR, DISODIUM INOSINATE AND DISODIUM GUANYLATE.