Which food has less impact on blood sugar?

CRUST [ENRICHED WHEAT FLOUR (FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME, ASCORBIC ACID), WATER, SOYBEAN OIL, YEAST, BREAD CRUMBS (WHEAT FLOUR, YEAST, SUGAR, SALT), OLIVE OIL, SUGAR, SALT, CULTURED WHEAT STARCH, HONEY, SODIUM BICARBONATE, SODIUM ALUMINUM PHOSPHATE, L-CYSTEINE, CITRIC ACID], LOW MOISTURE MOZZARELLA CHEESE [LOW MOISTURE MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES), POWDERED CELLULOSE (TO PREVENT CAKING], SAUCE [TOMATO PUREE (WATER, TOMATO PASTE), SEASONING (SALT, SPICES, DEHYDRATED GARLIC)], ITALIAN SAUSAGE [PORK, WATER, SALT, SPICES, CORN SYRUP SOLIDS, PAPRIKA, FLAVORINGS, DISODIUM INOSINATE, DISODIUM GUANYLATE, BHA, BHT, PROPYL GALLATE (TO PROTECT FLAVOR)], SLICED MOZZARELLA CHEESE [PASTEURIZED MILK, VINEGAR, ENZYMES, SALT, PEPPERONI [PORK, BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM NITRITE (PRESERVATIVE), BHA, BHT AND CITRIC ACID (TO PROTECT FLAVOR)], SPICY ITALIAN SAUSAGE [PORK, SPICES, WATER, SALT, CORN SYRUP SOLIDS, FLAVORINGS, PAPRIKA, SODIUM PHOSPHATES), PEPPERON] PORK, BEEF, SALT, CONTAINS 2% OR LESS OF SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM NITRITE (PRESERVATIVE), BHA, BHT, CITRIC ACID, AND SODIUM ASCORBATE (TO PROTECT FLAVOR), PROVOLONE CHEESE [PROVOLONE CHEESE (PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES), POTATO STARCH AND POWDERED CELLULOSE (TO PREVENT CAKING)], SPICE.