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: (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, POWDERED CELLULOSE [TO PREVENT CAKING]), SAUCE: (TOMATO SAUCE [WATER, TOMATO PASTE], SALT, SUGAR, SPICES, DEXTROSE, HYDROLYZED SOY PROTEIN, GARLIC EXTRACT, SOYBEAN OIL, REFINED OLIVE PUMACE OIL, EXTRA VIRGIN OLIVE OIL), PEPPERONI: (PORK AND BEEF, SALT, CONTAINS 2% OR LESS OF WATER, DEXTROSE, SPICES, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, GARLIC POWDER, SODIUM NITRITE [PRESERVATIVE], BHA, BHT AND CITRIC ACID [TO PROTECT FLAVOR]), PEPPERONI: (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]), SEASONING: (DEHYDRATED GARLIC, SPICE)